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Malingering and factitious disorder.

Christopher Bass1, Derick T Wade2

  • 1Department of Psychological Medicine, John Radcliffe Hospital, Oxford, UK c.bass1@btinternet.com.

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Summary
This summary is machine-generated.

Deliberate deception in illness is rare, but malingering can reach 30% in disability evaluations. Detecting symptom exaggeration involves finding inconsistencies, though intent remains unclear.

Keywords:
factitious disordersfunctional neurological symptomsmalingering

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Area of Science:

  • Neurology
  • Psychiatry
  • Forensic Medicine

Background:

  • Deliberate deception, including factitious disorders and malingering, is uncommon in clinical settings but prevalent in medicolegal contexts.
  • Understanding the characteristics of intentional symptom exaggeration is crucial for accurate diagnosis and evaluation.

Observation:

  • Neurologists can detect symptom exaggeration by identifying inconsistencies across different symptom domains.
  • Certain neurological conditions, such as functional weakness, movement disorders, and post-concussional syndrome, present challenges in assessing the degree of willed exaggeration.

Findings:

  • While inconsistencies suggest symptom amplification, determining intentional inaccuracy is difficult.
  • Potential benefits, not solely financial, may motivate symptom fabrication or exaggeration.
  • Techniques like covert surveillance, social media review, and specialized psychological tests aid in detecting deception in medicolegal evaluations.

Implications:

  • Improved diagnostic accuracy in neurology, particularly for conditions with subjective symptom reporting.
  • Enhanced ability to differentiate genuine symptoms from feigned or exaggerated ones in clinical and forensic settings.
  • Development of more refined methods for assessing patient effort and identifying deliberate deception in neurological evaluations.