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Cognitive functioning and posttraumatic stress disorder

D H Barrett¹, M L Green, R Morris

¹Centers for Disease Control and Prevention, National Center for Environmental Health, Division of Environmental Hazards and Health Effects, Atlanta, GA 30341, USA.

The American Journal of Psychiatry

|November 1, 1996

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Cognitive impairment in veterans with posttraumatic stress disorder (PTSD) is often linked to co-occurring depression, anxiety, or substance abuse diagnoses, not solely PTSD itself.

Area of Science:

Neuroscience
Psychiatry
Veterans Health

Background:

Posttraumatic stress disorder (PTSD) is a significant mental health concern.
Cognitive functioning can be affected by psychiatric conditions.

Purpose of the Study:

To investigate the relationship between cognitive impairment and posttraumatic stress disorder (PTSD).
To explore the impact of co-occurring psychiatric diagnoses on cognitive function in veterans.

Main Methods:

Compared neuropsychological test results in four groups of Vietnam veterans.
Groups included veterans with PTSD and other diagnoses, PTSD only, other diagnoses only, and no diagnoses.

Main Results:

Veterans with both PTSD and concurrent diagnoses showed greater cognitive impairment.

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Cognitive deficits were more pronounced in those with multiple psychiatric conditions.

Conclusions:

Cognitive deficits in individuals with PTSD may be associated with co-occurring diagnoses.
Concomitant psychiatric conditions play a role in observed cognitive impairment in veterans.