Ch 17

Introduction to Neuropsychological Assessment

1. Definition of Clinical Neuropsychology

  • Clinical neuropsychology focuses on psychological impairments of the central nervous system and their remediation.

  • It studies the relationship between behavior and brain functioning across cognitive, motor, sensory, and emotional realms.

  • The field overlaps with neurology, psychiatry, and psychometric testing.

  • New imaging techniques have enhanced the field's ability to identify areas missed by neuroimaging.

History and Development of Clinical Neuropsychology

2. Historical Context

  • Notable figures include Broca and Wernicke.

  • Significant growth occurred during the 1970s and 1980s.

  • Current focus emphasizes brain dysfunction and brain injuries.

3. Neuropsychological Assessment Utility

  • Neuropsychological assessment is particularly useful for evaluating memory deficits linked to specific clinical problems.

  • Certain research findings suggest that issues may generalize across various brain regions rather than being localized to a single area.

  • It aids in identifying sources of specific motor problems or failures in the information-processing system.

Neuropsychological Profiles and Symptoms

4. Left vs. Right Hemisphere Functions

  • Left Hemisphere Impairments:

    • Word memory problems

    • Problems performing calculations

    • Issues with written word recognition and writing difficulties

  • Right Hemisphere Impairments:

    • Visual-spatial deficits

    • Right-left orientation issues

    • Impaired visual perception

    • Finger agnosia and neglect in visual fields

    • Difficulty with detailed voluntary motor activities unrelated to paralysis

5. Clock Drawing Test

  • The clock drawing test is utilized in assessing spatial and planning abilities, often revealing deficits in individuals with neuropsychological disorders.

Developmental Neuropsychology

6. Unique Challenges in Testing Children

  • When testing children, challenges arise such as adaptability to new situations and considerations of neuroplasticity.

  • Types of neuropsychological tests for children:

    • Tests assessing general development and adaptive functions.

    • Tests estimating attention and executive functions.

  • Testing can identify learning disabilities (e.g., dyslexia), ensuring legally entitled services for affected children.

7. Concussions and Assessment

  • Neuropsychological testing evaluates the extent of injury from concussions, particularly significant among athletes.

  • The Concussion Resolution Index (CRI) is mentioned as a tool for this application.

Cognitive Domains in Neuropsychological Assessments

8. Key Domains Evaluated

  • Attention

  • Working Memory

  • Processing Speed

  • Executive Functioning

  • Language

  • Visuospatial Functioning

  • Motor Ability

  • Learning and Memory

  • Mood and Personality (optional domain)

9. Domain Test Examples

  • Attention: Brief Test of Attention

  • Working Memory: Spatial Span

  • Processing Speed: Symbol Digit Modalities Test

  • Executive Functioning:

    • Delis-Kaplan Executive Function System (DKEFS)

    • Trail Making Test (TMT)

  • Language: Boston Naming Test

  • Visuospatial Functioning:

    • Judgment of Line Orientation

    • Clock Drawing Test

  • Motor Ability:

    • Grooved Pegboard Test

    • Finger Tapping Test

  • Learning and Memory:

    • California Verbal Learning Test-II (CVLT-II)

    • Rey-Osterrieth Complex Figure Test

Adult Neuropsychology Assessments

10. Halstead-Reitan Neuropsychological Battery

  • Developed to assess brain impairment impact on adults; takes several hours to complete, consists of various tests, suitable for both adults and children.

  • Valid for identifying dysfunction within specific brain hemispheres as well as for detecting tumors or lesions.

  • Critiques center around the time investment versus test benefits.

11. Components of the Halstead-Reitan Battery (Table 17.2)

  • Tactual test

  • Rhythm test

  • Speech-sounds perception test

  • Finger oscillation test

  • Trail-making test

  • Strength-of-grip test

  • Sensory-perceptual examination

Luria-Nebraska Neuropsychological Battery

12. Overview and Methodology

  • Conceptualizes the brain as a functional system crucial for various abilities or skills, termed pluripotentiality.

  • Features a highly individualized assessment approach, producing 11 subscale scores and 3 additional related scores concerning brain dysfunction.

  • Total of 269 items administered within 24 hours, organized into 11 subsections (Table 17.3).

13. Critiques of Luria-Nebraska Battery

  • Research findings are mixed regarding its validity and consistent criticisms arise regarding its assessment accuracy.

California Verbal Learning Test (CVLT)

14. Test Specificities and Applications

  • Focuses on the nature of errors rather than sheer numbers of correct or wrong answers, probing various learning variables over time or trials.

  • Validated for comparative evaluations among patients with Alzheimer's, Huntington's disease, and Korsakoff's syndrome.

  • Utilized alongside neuroimaging techniques to enrich evaluation context.

  • Psychometric properties show high correlation with other tests in related fields and its children’s version is also available.

Automated Neuropsychological Testing (ANAM)

15. Framework and Application

  • Developed by the U.S. Department of Defense to assess cognitive changes from diseases, suitable for diverse populations.

  • Measures different cognitive aspects; reliability is moderate.

  • Used in military contexts and for post-concussion evaluations in sports.

16. Administration Variabilities

  • Results can differ significantly between paper-and-pencil or person-administered tests versus those administered via computer. Validity is supported by reasonable evidence but requires further assessment.

Stress and Anxiety in Health Psychology

17. Definitions

  • Stress: A response involving demands, constraints, or opportunities from various situations, with estimates indicating it contributes to 50% to 80% of illnesses.

    • Composed of three components: frustration, conflict, and pressure.

  • Anxiety: An emotional state marked by feelings of worry, apprehension, and tension.

18. State-Trait Anxiety Inventory (STAI)

  • Differentiates between state anxiety (situation-dependent) and trait anxiety (personality characteristic).

  • Produces separate scores for state and trait anxiety through 40 items rated on a 4-point Likert scale.

  • Demonstrates promising psychometrics, correlating effectively with other anxiety measures and is available in multiple languages for both adults and children.

Coping Mechanisms

19. Coping Skills Measurement

  • The Ways of Coping Scale includes 68 items across seven subscales: problem solving, growth, wishful thinking, advice seeking, minimizing threat, seeking support, and self-blame.

20. Additional Coping Instruments

  • Coping Inventory: A 33-item scale categorizing coping strategies.

  • Coping Resources Inventory: Measures various coping resources available to individuals.

Ecological Momentary Assessment

21. Description

  • Measures constructs across various times, allowing for continuous tracking of physical qualities, moods, state anxiety, fatigue, etc.

  • Data collection occurs in naturalistic settings, enhancing ecological validity.

  • New technologies (e.g., smartphones, wearables) bolster ongoing assessments.

Depression Assessment in Health Psychology

22. Major Depressive Disorder Significance

  • Recognized as a significant health crisis; expert panels (USPSTF) make recommendations based on solid scientific evidence regarding depression screenings, particularly among vulnerable populations such as pregnant and postpartum women.

23. Edinburgh Postnatal Depression Scale

  • Highly effective in detecting prenatal and postnatal depression in women, necessitating an urgent response post-diagnosis regarding treatment effectiveness, especially around antidepressant utilization.

National Institutes of Health (NIH) Toolbox

24. Overview and Domains

  • A non-proprietary, public domain set of measures for functionality in individuals aged 3-85, spanning four key domains: cognition, emotion, motor, and sensation.

  • Requires a fee-based application for access.

25. Description of the Four Domains in NIH Toolbox

  • Cognition: Encompasses mental processes such as thinking, remembering, problem solving, language capabilities including executive function, auditory processing, working memory, etc.

  • Emotion: Assesses strong feelings such as joy, sorrow, etc., and psychological well-being, stress, and self-efficacy.

  • Motor: Evaluates muscle control and movement mechanics, encompassing systems such as nervous, musculoskeletal, and cardiovascular.

  • Sensation: Examines interpretative processes of incoming nerve impulses vital for sensory experience including vision, audition, and taste.

Knowledge Check

26. Clinical Scenario Question

  • Scenario presented involving Ari, who experienced trauma to the left hemisphere of the brain. Symptoms likely to be reported:

    • Visual-spatial deficits

    • Word memory issues

    • Difficulty writing

    • Problems with spatial calculations

Quality-of-Life Assessment

27. Understanding Health

  • Health often rated as the top life priority; paramount themes include opposition to premature mortality and the prioritization of quality of life over mere longevity.

28. Health-Related Quality of Life (HRQoL) Definition

  • World Health Organization: "Health is a complete state of physical, mental, and social well-being and not merely the absence of disease."

  • Various assessment tools are available, employing two major approaches:

    • Psychometric: Assesses multiple health areas independently.

    • Decision Theory: Integrates diverse health domains into a singular health status expression.

    • Each method possesses distinct strengths and weaknesses.

29. SF-36 Method for Measuring Quality of Life

  • The SF-36 includes eight health concepts, praised for its brevity and substantial reliability; components include physical functioning, role physical, bodily pain, general health perception, vitality, social functioning, role emotional, and mental health.

30. Nottingham Health Profile (NHP)

  • Influenced by European models, composed of two parts: 38 items across 6 categories and 7 life area statements. Written for accessibility and clarity, found to be more reliable than SF-36 for older adults.

31. Decision Theory Approaches in Quality of Life

  • Rising popularity of cost studies relating to the costs of illness and premature death. Focus on QALYs (Quality-Adjusted Life Years) which merges mortality with existing and future quality of life metrics.

mHealth and New Mobile Technologies

32. Overview of Mobile Health

  • Mobile health (mHealth) offers innovative methods for health research, healthcare services, and health outcome measurements, standing apart from telehealth, focusing on personalized health status insights using direct data processing and new diagnostics technologies.

  • Various strengths and weaknesses are associated with this technological approach.

The 2015 Medical College Admissions Test (MCAT)

33. MCAT Overview

  • Necessary for medical school admission; undertaken on a computer and spans several hours, integrating behavioral and social sciences since 2015 revisions.

  • Covers essential areas: psychology, sociology, biology, research frameworks, and statistics while highlighting demographic diversity and the import of disease prevention and management related to longevity.