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  • Title: Memory and executive dysfunctions associated with acute posttraumatic stress disorder.
    Author: Lagarde G, Doyon J, Brunet A.
    Journal: Psychiatry Res; 2010 May 15; 177(1-2):144-9. PubMed ID: 20381880.
    Abstract:
    Posttraumatic stress disorder (PTSD) in its chronic form has been associated with a number of neurocognitive impairments involving emotionally neutral stimuli. It remains unknown whether such impairments also characterize acute PTSD. In the present investigation, neurocognitive functions were examined in trauma exposed individuals with (n=21) and without (n=16) acute PTSD, as well as in a group of individuals never exposed to trauma (n=17) using specific and standardized tasks such as the Rey Auditory Verbal Learning Test, the Aggie's Figure Learning Test, the Autobiographical Memory Interview, the D2 test, the Stroop task, the digit and visual span tasks of the Wechsler Memory Scale-III, the Trail Making Test, the Tower of London and the vocabulary subtest of the Wechsler Adult Intelligence Scale-III. A number of deficits in the cognitive domains of memory, high-level attentional resources, executive function and working memory were found in the group with a diagnosis of acute PTSD only and not among the other groups. The findings, which point to the possibility of disturbed fronto-temporal system function in trauma-exposed individuals with acute PTSD, are particularly relevant for the early clinical management of this disorder.
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