PSYC31H3 Chapter Notes - Chapter 20: Dynamometer, Grip Strength, Dementia
19 Apr 2015
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Psyc31h3 chapter 20: testing for response bias and incomplete effort. Wittingly or unwittingly some persons undergoing neuropsychological assessment may give distorted or erroneous responses not in keeping with their actual neuropsychological status. Compromised validity more likely when evaluation involves possibility of secondary gain (financial benefits of illness) Emotional reactions to new limitations occasioned by injury or disease can bring about additional symptoms or exacerbate existing ones. Important to identify non-neurologic contributions to neuropsychological performance. May not be able to tell whether patient is performing low on purpose or unconsciously. Inclusion of historical data enhances validity of judgements regarding malingering. Assessment battery tests asses effort, symptom validity, and malingering. Increased involvement of neuropsychologists in forensic evaluations e. g. evaluations related to litigation, administrative proceedings, consultations to attorneys and courts, disability determinations including competency issues. Attorneys can affect validity by briefing their clients about the tests they will be taking or tell their clients what answers to give.
