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M9480132.TXT
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1994-08-09
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Document 0132
DOCN M9480132
TI Working memory in individuals with HIV infection.
DT 9410
AU Law WA; Martin A; Mapou RL; Roller TL; Salazar AM; Temoshok LR; Rundell
JR; Henry M. Jackson Foundation for the Advancement of Military;
Medicine, Rockville, Maryland.
SO J Clin Exp Neuropsychol. 1994 Apr;16(2):173-82. Unique Identifier :
AIDSLINE MED/94292566
AB The central executive component (CE) of Baddeley's working memory model
(Baddeley, 1992) was evaluated in 26 asymptomatic human immunodeficiency
virus-infected individuals (HIV+) and 23 HIV-control subjects using a
dual-task working memory paradigm. The HIV+ and HIV- groups showed an
equivalent reduction in performance on both the primary task (visual
vigilance) and the secondary task (letter span) when they were performed
concurrently relative to when either task was performed alone. This
result suggested normal CE functioning in these HIV+ subjects. In
contrast, the HIV+ subjects had significantly longer response latencies
on reaction time measures relative to the HIV- control group. These
findings indicated that slowed processing in early stage HIV-infected
individuals is not associated with a working memory deficit.
DE Adult Attention AIDS Dementia Complex/*DIAGNOSIS/PSYCHOLOGY Female
Human HIV Seropositivity/*DIAGNOSIS/PSYCHOLOGY Longitudinal Studies
Male Military Personnel/*PSYCHOLOGY *Neuropsychological Tests Pattern
Recognition, Visual Psychomotor Performance Reaction Time *Recall
Retention (Psychology) Serial Learning Support, U.S. Gov't, Non-P.H.S.
Verbal Learning JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).