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Related Experiment Videos

Attention and memory dysfunction in posttraumatic stress disorder

J J Vasterling1, K Brailey, J I Constans

  • 1Mental Health Service Line (C056), Veterans Affairs Medical Center, New Orleans, Louisiana 70146, USA. vasterling.jennifer@new-orleans.med.va.gov

Neuropsychology
|February 14, 1998
PubMed
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Persian Gulf War veterans with posttraumatic stress disorder (PTSD) exhibit cognitive deficits in attention and memory. These impairments, including intrusive thoughts, are linked to PTSD symptom severity and hyperarousal.

Area of Science:

  • Neuroscience
  • Psychology
  • Military Medicine

Background:

  • Posttraumatic stress disorder (PTSD) is prevalent among military veterans.
  • Cognitive impairments are frequently reported in individuals with PTSD.

Purpose of the Study:

  • To investigate attention and memory performance in Persian Gulf War veterans with and without PTSD.
  • To explore the relationship between cognitive deficits and PTSD symptom clusters.

Main Methods:

  • Comparative analysis of cognitive task performance between veterans with and without PTSD diagnoses.
  • Correlation analysis between cognitive errors (commission, intrusion) and PTSD symptom severity (reexperiencing, avoidance).

Main Results:

  • Veterans with PTSD demonstrated significant deficits in sustained attention, mental manipulation, and information acquisition.

Related Experiment Videos

  • PTSD group exhibited increased errors of commission and intrusion.
  • Response disinhibition and intrusion correlated with reexperiencing and avoidance symptoms.

    • Conclusions:

    • Cognitive deficits in PTSD extend beyond trauma-specific memories, indicating a general pattern of disinhibition.
    • Findings support models of PTSD involving hyperarousal and frontal-subcortical system dysfunction.
    • Cognitive impairments may impact daily functioning and treatment outcomes for veterans with PTSD.