Traumatic brain injury (TBI) causes two injury types: primary and secondary. In infants and young children, nonaccidental TBI is an important etiology of brain injury and is commonly a repetitive insult. TBI is by far the most common cause of acquired brain injury (ABI) in children and is the most common cause of death in cases of childhood injury. In 2009, the Pediatric Emergency Care Applied Research Network (PECARN) issued validated prediction rules to identify children at very low risk of clinically important TBI, which is defined as TBI requiring neurosurgical intervention or leading to death. The range of outcomes in pediatric TBI is very broad, from full recovery to severe physical and/or intellectual disabilities. Children and adolescents who have suffered a TBI are at increased risk of social dysfunction. Studies show that these patients can have poor self-esteem, loneliness, maladjustment, reduced emotional control, and aggressive or antisocial behavior.
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This book provides school personnel with information on how concussion (mild traumatic brain injury) can affect learning, mental health, and social-emotional functioning, skills in developing and leading a school-based concussion support team, tools for school-based concussion assessment, and information on a safe, gradual process of returning to the academic environment. It explains what happens to the brain at the moment of impact, terminology, prevalence rates, causes, risk factors, and issues related to underreporting of concussions. Educators will learn about developmental effects, how concussions can affect students of different ages, as well as difficulties that can result from concussions such as postconcussion syndrome and second impact syndrome. This book presents a school-based concussion team model, including the specific responsibilities of the concussion team leader (CTL), and a discussion of maintaining student privacy through regulations like the Health Insurance Portability and Accountability Act of 1996. Readers are familiarized with checklists that can be used within the school and assessment tools such as Acute Concussion Evaluation (ACE) and neuropsychological assessment. Readers are also familiarized with how physical and cognitive rest can be balanced with a return to activity during the recovery period. This book also book gives concussion team members guidance on the selection of appropriate strategies, as well as decision making during a student’s return to academics, and discusses concussion prevention information by providing guidance on how readers might train others on concussion recognition and response. Case studies are integrated throughout the chapters.
This chapter includes information related to the clinical evaluation of a concussion that a child might receive in a medical setting. It discusses guidelines for appropriate use of smartphone concussion evaluation apps. This chapter examines a brief section on the future of concussion assessment. The Acute Concussion Evaluation (ACE) can help the school concussion team obtain information regarding the injury, including the cause, severity, any amnesia, loss of consciousness (LOC), and any early signs. The computerized neurocognitive assessment typically measures player symptoms, verbal/visual memory, attention span, working memory, processing speed, response variability, nonverbal problem solving, and reaction time. Neurocognitive tests, sideline assessments, and smartphone apps can help district staff and parents determine the severity of a student’s symptoms. A neuropsychological assessment to assess cognitive functioning, memory, speed, and processing time may also be administered.
This chapter focuses on an area that has been at the center of the debate between the approaches: processing ambiguous words and sentences. Interestingly, an important factor for ambiguity resolution appears to be the frequency of the different meanings of the ambiguous words. Subordinate- bias effect is as follows: in a neutral, nonbiasing context, words that are balanced cause longer reading times than words that are either unbalanced or unambiguous. Different languages impose different rules about how grammatical categories may be combined. In the garden path model, sentence processing happens in two stages: an initial structure building stage in which the only information that is used is syntactic, and then a second stage in which the structure is checked against semantic and pragmatic information. Constraint-based models take a very different approach to how sentences are initially parsed and how mistakes are sometimes made.
Delirium, also known as acute confusional state, organic brain syndrome, brain failure, and encephalopathy, is a common occurrence among medical and surgical patients and causes extensive morbidity and mortality. This chapter provides an updated review of delirium, including pathophysiological correlates, clinical features, diagnostic considerations, and contemporary treatment options. The defining features of delirium include an acute change in mental status characterized by altered consciousness, cognition, and fluctuations. The chapter explores the risk factors for delirium. These can be divided into two categories: predisposing factors and precipitating factors. Imbalances in the synthesis, release, and degradation in gamma-aminobutyric acid (GABA), glutamate, acetylcholine, and the monoamines have also been hypothesized to have roles in delirium. GABA is the primary inhibitory neurotransmitter in the central nervous system (CNS) and medications such as benzodiazepines and propofol have known actions at GABA receptors and have been associated with delirium.
The researchers were specifically interested in whether they would get more incorrect responses depending on the type of sentence. From a certain perspective, passive sentences are more complicated than active sentences and so perhaps it is the case that passives are more difficult simply because they are more complicated. It appears that the important difference between subject cleft and actives on one hand, and passives on the other, is that the order of the roles is reversed between them: in active sentences, the agent comes first. Indeed, there is a growing body of evidence that languages allow English speakers to structure their utterances in a way that can flag certain parts of the sentence as particularly important or worthy of special attention. Recently, psycholinguists have been interested, too, in how information structure influences language processing.
The study of the properties of language can be divided up into roughly five, somewhat overlapping categories: sound system, word structure, sentence structure, meaning, and real-world use. In spoken languages, segments are sounds—each language has a set of sounds that are produced by changing the positions of various parts of the vocal tract. The sound system of language is actually studied in two main parts: phonetics, phonology. Phonemes can be combined to make words, and words themselves have an internal structure and can even be ambiguous based on this structure. Syntax is the study of how sentences are formed. There are two noun phrases (NPs) in the sentence—the artist and a paintbrush. The field of semantics is concerned with meaning in language and can be divided into two major parts: lexical and propositional.
This chapter examines disability identity as a unique area in which the clinician working with individuals with brain injuries must become culturally competent. It begins with an overview of the disability rights movement and its influence on disability identity as a construct. Legislative and regulatory scaffolding for societal responsiveness to and acceptance of individuals with disability exists, but it requires further refinement. Social agencies have been created to support the process of adaptation to disability culture and are attempting to foster development of disability identity through networking resources for employment and socialization. The chapter then discusses critical issues in cultural competence and how these intersect with ethical practice in working with individuals and families with neurorehabilitation needs. It concludes with suggestions regarding cultural competence that transcend individual diagnoses.
Primary progressive aphasia (PPA) is the term applied to a clinical syndrome characterized by insidious progressive language impairment that is initially unaccompanied by other cognitive deficits. This chapter describes several variants of PPA and more than one etiology. It explains three main variants of PPA, namely, semantic Variant of PPA (svPPA), nonfluent/agrammatic variant of PPA (nfvPPA) and logopenic variant of PPA (lvPPA), and also describes criteria for their diagnoses. The defining symptom of PPA is the presence of a language impairment for at least 2 years in the absence of any other significant cognitive problem. Assessment of other cognitive domains is challenging because many tests of memory, attention, executive functioning, and visual-spatial skills rely on language processes in some manner. There are no drug therapies proven to arrest progression of signs and symptoms of PPA due to frontotemporal lobar dementia (FTLD) or Alzheimer’s disease (AD) pathologies.
This chapter talks about questions related to how speakers and hearers influence each other. It looks at research on dialogue, and especially how a dialogue context influences speakers. Speakers have an impact on their listeners. The goal of a dialogue is successful communication and so it would make sense that a speaker would pay careful attention to the needs of a listener and do things like avoid ambiguity and package information in a way that flags particular information as important or new to the listener. Ambiguity may be avoided depending on the speaker’s choice of words and so a natural question is whether, and when, speakers appear to avoid ambiguous language. In terms of pronunciation, speakers reduce articulation and intelligibility over the course of a dialogue. There are some constraints and preferences on how to interpret pronouns and other coreferring expressions that appear to be structural or syntactic in nature.
Dementia is an umbrella term for conditions such as Alzheimer’s disease (AD), dementia with Lewy bodies (DLB), vascular dementia (VaD), and frontotemporal dementia (FTD). Under that umbrella, FTD, also known as frontotemporal lobar degeneration (FTLD), can be further categorized to define a group of neurodegenerative disorders resulting from a progressive deterioration of the cells in the anterior temporal and/or frontal lobes of the brain. More specifically, ventromedial-frontopolar cortex is identified with metabolic impairment in FTD. This chapter elaborates on the history, epidemiology, pathophysiology, clinical features, treatment, and outcomes of FTD. The history and background section of each of the FTD categories highlights the evolution of the disease conceptualization. The FTD subtypes are conceptualized in three categories: neurobehavioral variant, motor variant, and language variant. The chapter illustrates the features of all three categories of FTD.
Neurorehabilitation has become more of a global phenomenon and is not necessarily limited to industrialized or Westernized societies. Culture often connotes concepts of race and ethnicity when discussed in the context of health care disparities. Socioeconomic and other demographic variables make up the majority of the balance on discussion regarding culture in health care. Multicultural neurorehabilitation must emphasis “multiple”, and do so in a dynamic manner. In other words, at any given time, multiple cultures operate in each interaction and in each therapy delivered in the neurorehabilitation setting. Recently, there has been increased interest and research into the newly developing field of cultural neuroscience. Several models are available to conceptualize the influence of culture in human functioning. The most persuasive model is one that mirrors a dynamic, ecological system.
The concept of Mild cognitive impairment (MCI) makes a lot of sense in that individuals are typically not “normal” one day and “demented” the next. In theory, especially for progressive neurodegenerative conditions, such as Alzheimer’s disease (AD), frontotemporal dementia (FTD), the development of dementia may take months or years. The clinical syndrome of MCI due to AD can be identified via a neuropsychological evaluation or less-sensitive cognitive screening measures. Much of what we are learning about MCI, and therefore refining its diagnostic criteria, is coming from two large-scale studies of cognition and aging: Alzheimer’s Disease Neuroimaging Initiative (ADNI) and Australian Imaging, Biomarkers and Lifestyle (AIBL). According to the most recent research diagnostic criteria for MCI due to AD, evidence of beta-amyloid deposition, neuronal injury, and/or other biochemical changes needs to be seen to increase confidence of the etiology of MCI. Cholinesterase inhibitors remain the primary pharmacological treatment for AD.
This chapter helps readers to understand the main characteristics of the three major types of eating disorders: anorexia nervosa, bulimia nervosa, and binge eating. It also examines each disorder from a neurobiological perspective, including genetic factors when known, neuroimaging results, the understanding of neurotransmitter dysregulation, cognitive performance, and various types of treatment. The chapter then presents the consideration of the unique challenges associated with comorbidity, societal pressure, and medical implications. Eating disorders are increasingly common, debilitating, and potentially life-threatening disorders that are clearly linked in their neurobiological basis. Mental health professionals should be aware of the signs and symptoms of eating disorders, as individuals might not disclose their eating habits as readily as their mood, anxiety level, or other symptoms. Treatment is complex, as no medication has been shown to be consistently effective, and each eating disorder will bring with it specific goals.
This chapter suggests that the dysexecutive syndrome associated with vascular dementia (VaD) is caused by impairment in separate but related cognitive concepts; that is, pathological inertia, mental bradyphrenia, disengagement, and temporal reordering. During the late 19th and early 20th centuries, cerebrovascular dementia was a well-established clinical syndrome. Multi-infarct dementia (MID) generally became associated with all types of vascular syndromes. Recent research suggests the presence of considerable overlap between the neuropathology underlying Alzheimer’s disease (AD) and VaD. Patients diagnosed with VaD tend to produce hyperkinetic/interminable perseverations, suggesting an inability to appropriately terminate a motor response. Other aspects of the dysexecutive syndrome associated with VaD revolve around constructs related to interference inhibition, flexibility of response selection, and sustained attention. From the view point of diagnosis, the neuropathology of VaD often differentially impacts the frontal lobes, whereas the neuropathology associated with AD revolves more around circumscribed temporal lobe involvement.
The multicultural movement in counseling and psychology has begun to provide scholars and practitioners with contextually relevant, systems-based ecological approaches to counseling as alternatives to the traditional theoretical models of human behavior and intervention that are based on Western dominant culture. This chapter provides awareness of the complexity of multicultural issues among individuals with disabilities and discusses culturally sensitive strategies to work with people with disabilities (PWDs). It reviews legislative mandates related to diversity and multiculturalism in rehabilitation and addresses the relationship between disability and culture in the scope of rehabilitation practice. The chapter introduces multiculturalism and multicultural counseling models as a therapeutic framework and provides guidelines to help psychologists increase their cultural sensitivity. It also provides strategies to work with individuals with disabilities from minority backgrounds.
This chapter describes maneuvers to access the internal system of the patient as well as means to accelerate or decelerate the work in that process of accessing the self-system. Eye movement desensitization and reprocessing (EMDR), ego state therapy, and somatic therapy fit together like hand and glove. An extended preparation phase is often necessary before trauma processing in complex traumatic stress presentations and attachment-related syndromes, particularly when dealing with the sequelae of chronic early trauma. Clinical practice suggests that the adjunctive use of body therapy and ego state interventions can be useful, during stabilization and later on in increasing the treatment response to EMDR. Traditional treatment of complex posttraumatic stress disorder (PTSD) and dissociative disorders has usually included hypnoanalytic interventions, during which abreaction is considered an important part of treatment.
Dementia pugilistica (DP) is a form of chronic traumatic encephalopathy (CTE) that involves gross impairment of cognitive and motor functioning due to repetitive blows to the head from boxing. Rapidly increasing in popularity among fight fans and fighters is mixed martial arts (MMA). In the area of sport-related concussion, there are two other frequently used terms that are necessary to distinguish from DP and CTE: postconcussion syndrome (PCS) and second impact syndrome (SIS). The classical clinical signs and symptoms of DP include combinations of dysarthria, incoordination, gait disturbance, pyramidal and extrapyramidal dysfunction, and cognitive impairment. Some media reports about concussion and the potential link between repetitive concussions and long-term problems include eye-catching and emotionally provocative titles. This chapter has provided an overview of the many complex issues surrounding the effects of repeat concussive trauma, particularly in sports.
This chapter shows an overview of the techniques that are used to measure language processing. It shows at the things psycholinguists do when designing experiments in order to ensure that their results are valid. Online measures include any measure considered to give information about language processing as it happens. The prototypical off-line measure is the questionnaire—literally asking people for their judgments about what they’ve just encountered. In fact, all kinds of data can be collected from questionnaire studies. The button press task is perhaps the most versatile of all the things that people can do to collect data involving response times. The conscious responses discussed about here are vocal response. Like eye-tracking, event-related brain potentials (ERPs) help to understand the technique if people know a bit about the response measured—in this case, the brain. In many ways, functional magnetic resonance imaging (FMRI) can be considered the complement to ERPs.
This chapter provides a brief historical overview to explain how neuroscience has evolved to what we know it as today. It focuses on the modern history of some of the most relevant aspects of neuroscience. The chapter examines specific, important clinical cases, significant neuroscience milestones, and important treatment modalities that have been implemented and that have led us to this point in our history. Modern neuroscientists have strongly influenced the collective understanding of brain-based functioning and have guided the field to where it stands today. The chapter discusses important ethical considerations in the neurosciences, as well as special areas of focus that generate an increased level of consideration, from the public and often from the media. There are thousands of individual cases that have contributed to neuroscientific understanding throughout history. Examination of behavior and follow-up analysis of brain tissue have helped neuroscientists understand brain-based functioning.
The brain plays a role in influencing the immune system, controlling our sleep, and developing our personality. This chapter provides a straightforward overview of our current knowledge and understanding of normal brain functioning. The nervous system is divided into the central nervous system and peripheral nervous system. The peripheral nervous system communicates with the central nervous system to allow for interaction with the environment. The somatic nervous system is responsible for responding to environmental stimuli by connecting the voluntary skeletal muscles with cells that are responsive to sensations, such as touch, vision, and hearing. It comprises afferent nerve cells that connect the eyes, ears, skin, and skeletal muscles to the central nervous system, allowing sensory information to be transmitted to the brain. Healthy brain functioning requires a multitude of stable neurochemicals, structural anatomy, communication among different brain regions in different hemispheres, and an overall healthy nervous system.
The Transmissible spongiform encephalopathies (TSEs) form a group of illnesses, characterized by a pathological form of the native prion protein, which results in a rapidly progressive neurodegenerative illness. They also are responsible for Gerstmann-Strâussler-Scheinker (GSS) syndrome and fatal familial insomnia (FFI), and they have been produced experimentally in several other animals. Creutzfeldt-Jakob disease (CJD) is the most common TSE in humans. Human prion diseases have three etiologies: (a) sporadic, (b) genetic, and (c) acquired. Human prion diseases are important to understand because of their underlying pathophysiology, public health implications, and clinical features that often result in misdiagnosis. This chapter reviews the historical discovery of prion diseases and the formulation of the prion hypothesis. It explores prion hypothesis and the neuropathogenesis of prion diseases. The chapter ends with a description of the diagnosis, prognosis, and experimental treatment of human prion diseases.
This chapter describes spirituality, religiousness, and indigenous/folk belief systems in a multicultural context. The majority of religion and health research to date has primarily focused on persons with life-threatening diseases and conditions, as persons facing death may use religion to help them accept their condition, come to terms with unresolved life issues, and prepare for death. In contrast, rehabilitation patients who suffer acute injuries or chronic progressive disorders may live for decades after the onset of their condition and use religious and spiritual resources to help them cope with their disability, give new meaning to their lives based on their newly acquired disabilities, and help them to establish new goals. The chapter then explains the different ways rehabilitation psychologists can address religious and spiritual beliefs with individuals from different faith traditions.
Psycholinguist is someone who studies phenomena in the intersection of linguistics and psychology. The whole endeavor of psycholinguistics often finds a home in the broader research field of cognitive science—an interdisciplinary field that addresses the difficult question of how animals, people, and even computers think. The centrality of language in the daily lives means that any disruption to the ability to use it may be keenly felt—the worse the disruption, the more devastating the impact. From the beginning of psychology, there has been an interest in language. In psychology, behaviorism was a movement in which the study of mental states was more or less rejected, and the idea that one could account for human behavior in terms of mental states or representation was discounted. This book covers a number of topics that are very much relevant in current psycholinguistics, including child language acquisition, sign language, language perception, and grammatical structure.
Dementia with Lewy bodies (DLB) is a clinical syndrome characterized by progressive dementia, cognitive fluctuations, visual hallucinations (VH), and parkinsonism. In 1961, Okazaki, Lipkin, and Aronson reported two patients with dementia and parkinsonism with cortical neuronal inclusions similar to the brain-stem Lewy bodies (LB) seen in Parkinson’s disease (PD). LBs are intra-cytoplasmic neuronal inclusions containing α-synuclein and ubiquitin. There are other associated pathological features in DLB such as spongiform change neuronal loss, and Alzheimer’s disease (AD) pathology includes amyloid plaques and neurofibrillary tangles (NFTs). DLB and other entities such as PD and multiple system atrophy (MSA) have been grouped under the term synucleinopathies due to the existence of α-synuclein inclusions in the brain. The central feature required for a diagnosis of DLB is the presence of dementia: a progressive cognitive decline of sufficient magnitude to interfere with normal social or occupational function.
Rehabilitation providers who work with service members and veterans face significant cultural challenges that may impact the rehabilitation process. Part of this challenge is maintaining an awareness that any individual engaged in rehabilitation could have had prior military service that could impact rehabilitation care. This chapter provides an overview of military culture, including specific aspects of this culture that may affect the rehabilitation process, the various co-occurring disorders that are common in military/veteran populations, and resources and programs that are particularly useful when working with service members and veterans. Service members and veterans face unique challenges and stressors that are over and above some of the routine sources of stress that others face in the workplace. Stress can come from participating in combat, including exposure to traumatic events, risk of injury, and fears about deployment.
This chapter describes an overview of the procedures that a neuropsychologist may apply to a range of similar referrals in the area of civil capacities. It explores the presentation of a framework developed by the American Bar Association/American Psychological Association (ABA/APA) working group on capacity issues and provides more specific guidance regarding assessment tools. Decision making is a complex cognitive process that involves multiple brain regions and brain systems. Injuries to the prefrontal cortex are common in dementia and are often linked to changes in decision-making abilities. Key differences between clinical assessments and those for capacity evaluations include knowledge of relevant legal and ethical issues, a functional assessment, and an ability to present neuropsychological data to lay readers. Research on medical consent capacity and financial capacity highlight the importance of the assessment of calculation, executive function, and verbal memory as part of any test battery.
This chapter focuses on the modulatory role of the neuropetides in attachment as well as autonomic regulation, discussing sympathetic and parasympathetic arousal, particularly dorsal vagal and ventral vagal regulation as suggested by polyvagal theory. The probable role of the endogenous opioid system in the modulation of oxytocin and vasopressin release is discussed with a view toward the elicitation of both relational and active defensive responses are reviewed. Porges’ Polyvagal Theory delineates two parasympathetic medullary systems, the ventral and dorsal vagal. Brain circuits involved in the maintenance of affiliative behavior are precisely those most richly endowed with opioid receptors. Avoidant attachment is commonly associated with parental figures that have been rejecting or unavailable and refers to a pattern of attachment where the child avoids contact with the parent. The similarity of severe posttraumatic presentations to autism suggests that the research with regard to social affiliation in autism spectrum.
Chronic alcohol use has been related to various linked disorders when used in excess, particularly when this excessive use becomes chronic. It is important for clinicians to clarify the amount and type of alcohol being consumed and the frequency of this consumption when considering its potential role in any neuropsychological profile. The most commonly reported terms found in the literature include alcohol-induced persisting dementia (APA), alcohol-related dementia, and Korsakoff’s syndrome (KS). This chapter provides some synthesis of this literature to offer some clarity on cognitive dysfunction as it relates to alcohol and the manifestation of dementia as a result of chronic use, including discussion of the classic KS and related presentations. Alcohol dependency is commonly associated with a number of neurological impairments including deficits in abstract problem solving, visuospatial and verbal learning, memory function, perceptual-motor skills, and even motor function.
- Go to chapter: The Effects of Acculturation on Neuropsychological Rehabilitation of Ethnically Diverse Persons
This chapter explores the impact of acculturation on three diverse U.S. populations: Hispanics, represented by a specific focus on Mexican immigrants; African Americans; and Native Hawaiians. It reviews relevant acculturation theories developed to explain cultural and psychological changes occurring in racial and ethnic populations in the United States as a result of interactions with the majority racial/ethnic population. The chapter presents Berry’s model of acculturation in particular, as a helpful theoretical model for clinicians working in neuropsychological rehabilitation to use for understanding psychological issues related to acculturation pressures. It also highlights the unique historical context of acculturation for each ethnic group and its effect on their acculturation experience as well as mental and physical health outcomes. The chapter provides rehabilitation psychologists and counselors with culturally relevant assessment and intervention recommendations for working with ethnically diverse clients.
This chapter focuses on identifying and working with dissociative symptoms and dissociative disorders in a therapeutic context, providing a road map to assist with the pacing and planning of clinical interventions. Rapid eye movement (REM) sleep can be conceptualized as a household strength processor that can accommodate the usual processing requirements of daily life. Posttraumatic stress disorder (PTSD) has been historically defined as requiring a trauma that is outside the range of normal human experience. Hypoarousal and parasympathetic activation that are an intrinsic part of dissociative symptoms are much more difficult to assess. The original painful memories live on in flashbacks and nightmares as well as in reenactments of the unconscious dynamics captured from the family of origin’s enactments of perpetration, victimization, rescuing, and neglect. Excessive sympathetic nervous system activation is easily construed to be an indicator of psychopathology.
This chapter reviews the disturbances in self-referential processing and social cognition in posttraumatic stress disorder (PTSD) related to early-life trauma. It talks about the neural underpinnings of self-referential processing and examines how they may relate the integrity of the default mode network (DMN). The chapter describes the deficits in social cognition, with a particular focus on theory of mind in PTSD and the neural circuitry underlying direct versus avert eye contact. It then addresses the implications for assessment and treatment. Johnson demonstrated that self-referential processing is associated with the activation of cortical midline structures and therefore overlaps with key areas of the DMN in healthy individuals. Healthy individuals exhibited faster responses to the self-relevance of personal characteristics than to the accuracy of general facts. Less activation of the medial prefrontal cortex (PFC) was observed for the contrast of self-relevance of personal characteristics relative to general facts as compared to controls.
This chapter explores multicultural variables to consider when providing neurorehabilitation services to inpatients in an acute neurorehabilitation center. It presents case studies of inpatients who have recently suffered brain injuries, strokes, and other conditions that have led to acute and/or chronic disability and potential cognitive changes. The acute and/or chronic disability and potential cognitive changes are in need of physical, occupational, and speech therapy to address declines in functioning due to cognitive changes and physical disability, as well as medical treatment to manage secondary conditions. The chapter then looks at several cases that involve clinicians working with patients and families from diverse backgrounds and of varying English-speaking abilities. It examines how culture, education, religion, and language may affect the clinical evaluations of patients in acute neurorehabilitation settings and at a clinician’s experience in providing multicultural neurorehabilitation.
Frontotemporal dementia (FTD) is the third leading cause of dementia in large pathological series but tends to have an earlier age of onset than Alzheimer’s disease (AD) and Lewy body dementia, the most frequent and second most frequent forms of dementia. Semantic dementia (SD) includes impairment in the understanding of the meanings of words and difficulty in identifying objects. Semantic primary progressive aphasia, also known as SD, includes difficulties with naming and single-word comprehension although grammar and fluency are often spared. SD is a disorder that involves loss of semantic memory, anomia, receptive aphasia, and an actual loss of word meaning. The chapter presents some assessment tools that are those conducted by a psychologist or a neuropsychologist. Such an evaluation should include a clinical interview and neuropsychological examination. SD has been associated with ubiquitin-positive, TAR-DNA-binding protein-43 (TDP-43)-positive, tau-negative inclusions.
This book explores a set of key topics that have shaped research and given us a much better understanding of how language processing works. The study of language involves examining sounds, structure, and meaning, and the book covers the aspects of language in each of these areas that are most relevant to psycholinguistics. The book then covers relatively low-tech methods that simply involve pencil and paper as well as very high-tech methods like functional magnetic resonance imaging (fMRI) that use advanced technology to determine brain activity in response to language and discusses a topic that has dominated the field for over two decades how people handle ambiguity in language. It describes how language is represented, both in the brain itself and in how multiple languages interact, which parts of the brain are critical for the basics of language, and how language ability can be disrupted when the brain is damaged. The book further talks about progressive language disorders like semantic dementia and what the study of disordered language can tell us about the neurological basis of language. Finally, it looks at sign language research to see if and how sign language processing differs from speech and a relatively new hypothesis that has emerged: most previous work has taken for granted that comprehenders (and speakers) fully process language, that is that we try to build complete representations of what we hear, read, or produce.
This book was conceived out of the authors' shared vision to synthesize key neurobiological developments with effective developments in clinical practice to offer both understanding and practical guidance for the many practitioners working to heal people burdened with traumatic sequelae. It is unique in bringing in all levels of the brain from the brainstem, through the thalamus and basal ganglia, to the limbic structures, including the older forms of cortex, to the neocortex. The book looks at the neurochemistry of peritraumatic dissociation (PD) and explores the effects on neuroplasticity and the eventual structural dissociation. Individual chapters focus on the definition of PD and tonic immobility (TI) and their associations with posttraumatic psychopathology, and review disturbances in self-referential processing and social cognition in posttraumatic stress disorder (PTSD) related to early-life trauma. Separate chapters focus on the modulatory role of the neuropetides in attachment as well as autonomic regulation, and highlight mesolimbic dopamine (ML-DA) system as central to the experiences of affiliation, attachment urge when under threat, attachment urge during experience of safety, and to the distress of isolation and/or submission. The book while increasing awareness of different parts of the self and ultimately creating a more stable sense of self, also incorporates psychoanalytic, cognitive behavioral, and hypnotic methods, as well as specific ego state, somatic/sensorimotor therapies, eye movement desensitization and reprocessing (EMDR), and variations of EMDR suitable for working with trauma in the attachment period. The latter methods are explicitly information-processing methods that address affective and somatic modes of processing.
Alzheimer’s disease (AD) and related cortical dementias are a major health problem. Patients with AD and related dementia have more hospital stays, have more skilled nursing home stays, and utilize more home health care visits compared to older adults without dementia. This chapter discusses the role of family caregivers and how they interact with in-home assistance, day care, assisted living, and nursing homes in the care of an individual with dementia. It also discuss important transitions in the trajectory of dementia care, including diagnosis, treatment decision making, home and day care issues, long-term care placement, and death. It highlights the importance of caregiver assessment, education, and intervention as part of the care process. Dementia caregivers are at risk of a variety of negative mental health consequences. Another important moderating variable for dementia caregiver distress is self-efficacy.
This chapter focuses on educational purposes for the promotion of research. It helps the practitioners to study the available evidence and use professional discretion in their prescribing decisions, being fully aware of known potential risks as well as benefits. The literature describes the use of opioid antagonists in a number of different disorders, some of them traumatic stress and attachment-related disorders, as well as dissociative disorders. Self-injurious behavior is common in the more severe traumatic stress syndromes. It also happens to be one of the diagnostic criteria of borderline personality disorder (BPD), a diagnosis that has been associated with childhood abuse and attachment conflicts. Pathological gambling is thought to provide rewards through endogenous opioid effects on the mesolimbic dopamine system. Fibromyalgia is a chronic pain disorder that is thought to result from the type of autonomic system dysfunction to which traumatic stress disposes.
Vascular dementia (VaD) is an umbrella term representing a clinical grouping with inherent heterogeneity in its clinical manifestations reflecting a variability in its underlying etiology. This chapter discusses specific presentations that can fall under the VaD heading. It includes discussion of multi-infarct dementia (MID) and dementia associated with lacunar states (LSs), as well as Binswanger’s disease (BD), which remains embroiled in controversy. The chapter discusses cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) and moyomoya disease due to their clinical overlap. The etiology of MID is in many ways the same as the etiology of cerebrovascular disease (CVD) in general and even late-life dementia. The term MID itself is used to describe a disorder characterized by a stepwise deterioration of cognitive functioning associated with strokes or accumulated transient ischemic attacks (TIAs).
- Go to chapter: Cultural Variables and the Process of Neuropsychological Assessment in the Neurorehabilitation Setting After Brain Injury
Cultural Variables and the Process of Neuropsychological Assessment in the Neurorehabilitation Setting After Brain Injury
Neuropsychological assessment involves the administration of a battery of tests that assess a variety of cognitive domains to obtain a clinical picture of brain behavior relationships. Within the inpatient rehabilitation setting, neuropsychologists often perform various functions, including neuropsychological assessment, psychotherapy, and assistance with adjustment issues for patients and their families. This chapter discusses some of the common cultural issues that impact neuropsychology in an inpatient rehabilitation setting. It focuses on potential sources of bias that can threaten the validity of neuropsychological tests. The chapter also examines the process of the neuropsychological evaluation within the inpatient setting when working with individuals from diverse cultural backgrounds. It deals with a complex composite of sociodemographic factors that include education, socioeconomic status (SES), race, ethnicity, language, and worldview, all of which interact with one another to influence brain-behavior relationships.
This chapter highlights mesolimbic dopamine (ML-DA) system as central to the experiences of affiliation, attachment urge when under threat, attachment urge during experience of safety, and to the distress of isolation and/or submission. As the midbrain defense centers hold the capacity for stress-induced analgesia (SIA), the tendency to dissociation, which is established with disorganized attachment in very early life, is considered to be secondary to modifications of their sensitivity. Trauma survivors have a default setting that keeps them in threat mode, whether triggered easily by memories of physical danger or separation distress. In a secure attachment relationship, the child can learn the rewards of interaction without threat. The frozen indecision is replaced by a disconnection from the experience of the moment, which relieves the distress. Environmental stress alters the nursing behavior of the mother rat so that she ceases to do so much licking/grooming.
This book focuses on the key issues surrounding multicultural neurorehabilitation for a wide range of health care professionals. The study of traumatic brain injury has seen a clear evolution in the sophistication, breadth, and depth of findings concerning neuroepidemiology as it affects racial and ethnic minorities. As large-scale epidemiological studies increasingly include and distinguish individuals of color and linguistic minorities together with religion, sexual orientation, physical disabilities, place of residence, and key socioeconomic variables that interact with race/ethnicity, more information will be available to make changes in policy, training, and clinical service delivery. Neuropsychological assessment involves the administration of a battery of tests that assess a variety of cognitive domains to obtain a clinical picture of brain behavior relationships. Within the inpatient rehabilitation setting, neuropsychologists often perform various functions, including neuropsychological assessment, psychotherapy, and assistance with adjustment issues for patients and their families. The book discusses some of the common cultural issues that impact neuropsychology in an inpatient rehabilitation setting. Considerations of race and ethnicity, disability culture, military and veteran culture, and cultural aspects of religiousness and spirituality are all considered in the book. The authors in the book wrote from their own perspectives as clinicians and researchers, representing diverse cultural backgrounds and neurorehabilitation contexts and roles. Hopefully, the book will generate more discussion, research, and literature on multicultural neurorehabilitation.
This chapter talks about the representation of language in the brain— including what parts of the brain are known to be involved in language. It talks about how multiple languages are represented and interact in bilingual speakers. The most important lobes for language are the temporal lobe and the frontal lobe. In terms of language, in right-handed people it is the left hemisphere that supports the majority of language function. There are two areas in particular that appear to be especially important for language: an area toward the front of the brain in the frontal lobe that includes Broca’s area and an area more or less beneath and behind the ear toward the back of the temporal lobe called Wernicke’s area. Broca’s aphasia is characterized by difficulty with language production—with effortful, slow speech, and the striking absence of function words like prepositions, determiners, conjunctions, and grammatical inflections.
This chapter explores the concept of microaggressions in neurorehabilitation settings, describes their potential impact on the rehabilitation process, and offers recommendations on how to address and potentially mitigate infractions when they do occur. It illustrates different types of microaggressions that might transpire in neurorehabilitation settings. Providers in these settings may benefit from cultural competency training to develop a greater appreciation for how microaggressions may impact the quality of their work with ethnic minorities, detract from the working alliance, and limit therapeutic success. Increased familiarity with factors that might contribute to microaggressions may help providers better identify them and intervene in a timely and therapeutically helpful manner. However, given that a defining feature of microaggressions is their unintended nature, neurorehabilitation and other clinical settings would be well advised to establish policies that encourage critical self-examination and dialogue regarding specific issues of race, ethnicity, and culture without fear of harsh reprimand.
Research on both sign language and how it is processed has been growing quickly over the last decade, with researchers from a number of different fields increasingly interested in it. This chapter addresses two common misconceptions about sign language to understand exactly what sign language is. French sign language is just a version of spoken French, British Sign Language (BSL) is just a version of English, and so on. Variations in hand shape and other differences can differentiate dialects of sign language. Sound symbolism shows that there are cases in spoken language when sounds are linked in a nonarbitrary way to meaning. Further, there are phonotactic rules that differ from language to language about how signs may be formed. Speech errors are mistakes that speakers make when they intend to say one thing but something else comes out instead.
Stroke is an enormous public health problem as it is one of the leading causes of both death and disability worldwide. A stroke syndrome involves the sudden onset of symptoms or signs that match a focal area of the central nervous system, without features suggesting a nonvascular cause. Preventive treatments for stroke became widespread, including an understanding of lifestyle risk factors, treatments for vascular risk factors, antithrombotic agents, and surgical treatments such as carotid endarterectomy. Stroke occurs because of a disruption of the brain’s blood supply. Stroke symptoms, with very few exceptions, begin with the sudden onset of focal neurological deficits, which are confined to a vascular territory. Treatment of stroke can generally be divided into three categories: acute stroke management, rehabilitation, and secondary stroke prevention. Prognosis after a stroke of any type depends greatly on the location and size of the stroke as well as patient comorbidities.
This chapter provides sufficient background information to recognize some unique challenges associated with diagnosis and treatment of mild traumatic brain injury (mTBI). There is a strong desire to pursue ’objective’ hallmark neurophysiological sequelae of mTBI using traditional and novel neuroimaging methods. As the majority of mTBIs are associated with various types of accidents, many factors can complicate recovery, including other orthopedic and neurological injuries, involvement in litigation, and premorbid psychiatric factors. TBI is most frequently attributed to blunt-force trauma or closed-head injury. The Glasgow Coma Scale (GCS) is a rapid assessment rating scale that quantifies TBI severity on the basis of neurological factors such as degree of consciousness or presence of posttraumatic amnesia (PTA). Notably, patients sustaining mTBI as a result of sports-related concussion (SRC) are less likely to develop postconcussion syndrome (PCS).
This chapter identifies the four tools of effective academic writing. It creates concept maps to support theory development and research criteria for literature reviews. It also addresses multicultural context in academic writing including employing bias-free writing and describes the purpose and structure of the Publication Manual of the American Psychological Association (7th ed.) as a tool for successful academic writing. The chapter explores the connection between writing and thinking by way of an approach for researching and writing a literature review, which includes creating concept maps to support the theoretical foundation of a literature review and addressing multicultural issues in academic writing. It begins with the multicultural and social justice–competency as a framework. Cultural considerations in writing are expansive and can include the mechanics of language through to the context by which information is framed and communicated to an audience.
This chapter helps the reader to understand the two main types of ontology (realism and relativism) in social science research. It recognizes the differences and similarities between research epistemologies and helps to understand the differences and similarities between research theoretical positions. The chapter comprehends the history of research trends in the helping professions and identifies ways in which helping professions intertwine and are influenced by one another. Two major components of a research paradigm are epistemology and theoretical stance. Epistemology is the theory of knowledge acquisition and a theoretical stance is a researcher's philosophical stance. The chapter describes three major epistemologies in social science research: objectivism, constructionism, and subjectivism. Additionally, it explains the theoretical stances within each epistemology and presents the key pioneers of each. The theoretical stances the chapter discusses are: positivism, post-positivism, constructivism, interpretivism, critical inquiry, feminism, and post-modernism.
The phenomenological approach to qualitative research is rooted in philosophy and amplified in social justice and creativity. The general purpose of phenomenology is to seek the essence of its subject, and that may take the form of meaning making with a social justice context. Phenomenologist are interested in what lies at the heart of the matter. Phenomenology differs from other qualitative traditions in its unique quest for meaning making through essentialism. While all qualitative inquiry is an attempt to preserve a unique perspective, phenomenologists highlight the uniqueness as a community value, allowing the reader to engage in transference of a common purpose. This chapter helps to identify the paradigmatic hierarchy and understand how to increase rigor of phenomenological research. It describes the five types of phenomenological research and recognizes multicultural issues associated with phenomenological research.