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Related Concept Videos

Post-traumatic Stress Disorder01:27

Post-traumatic Stress Disorder

978
Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
978

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Developing Neuroimaging Phenotypes of the Default Mode Network in PTSD: Integrating the Resting State, Working Memory, and Structural Connectivity
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PTSD and cognitive functioning: importance of including performance validity testing.

Nick M Wisdom1, Nicholas J Pastorek, Brian I Miller

  • 1a Michael E. DeBakey Veterans Affairs Medical Center , Mental Health Care Line , Houston , TX , USA.

The Clinical Neuropsychologist
|December 21, 2013
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Summary
This summary is machine-generated.

This study found that cognitive deficits in veterans were linked to poor performance validity, not post-traumatic stress disorder (PTSD) itself. Validating test performance is crucial for accurate PTSD cognitive assessments.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Cognitive Psychology

Background:

  • Post-traumatic stress disorder (PTSD) is frequently associated with cognitive impairments.
  • Previous research often overlooks the impact of response bias on these findings.
  • Validating performance is critical for accurate cognitive assessments in psychiatric populations.

Purpose of the Study:

  • To investigate cognitive impairments in veterans with PTSD, controlling for performance validity.
  • To determine if cognitive deficits are directly related to PTSD or influenced by response bias.

Main Methods:

  • 134 veterans (126 men, 8 women) with mild traumatic brain injury (TBI) history were evaluated.
  • The PTSD CheckList (PCL) assessed PTSD symptoms; the Word Memory Test (WMT) measured performance validity.
  • Participants were categorized into Control, PTSD-pass WMT, and PTSD-fail WMT groups.

Main Results:

  • WMT failure significantly correlated with poorer performance across most cognitive tests.
  • No significant cognitive differences were found between PTSD-positive and PTSD-negative groups when WMT performance was valid.
  • These results suggest response bias significantly impacts cognitive test results in this population.

Conclusions:

  • Performance validity testing is essential for accurate cognitive assessment in veterans with PTSD.
  • Prior studies reporting PTSD-related cognitive deficits may be confounded by response bias.
  • Future research should prioritize respondent validity to clarify the relationship between PTSD and cognition.