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M9550114.TXT
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1995-03-04
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Document 0114
DOCN M9550114
TI High false alarm rates on a vigilance task may indicate recreational
drug use.
DT 9505
AU Damos DL; Parker ES; Institute of Safety and Systems Management,
University of; Southern California 90089-0021.
SO J Clin Exp Neuropsychol. 1994 Oct;16(5):713-22. Unique Identifier :
AIDSLINE MED/95138234
AB Neuropsychologists need more sensitive methods to detect and measure
recreational drug use in both research and clinical settings. In a study
comparing the sensitivity of information processing tasks and
neuropsychological instruments to detect early HIV-related cognitive
decrements, 18 of 129 subjects tested positive for recreational drugs.
Sixteen of these 18 subjects had elevated false alarm rates on one of
the information processing tasks, the vigilance task. Another 45
subjects who tested negative for recreational drugs also had elevated
false alarm rates. Neuropsychological measures of premorbid functioning,
attention, speed of information processing, and manual dexterity were
lower in the high false alarm subjects than in the remaining 66
drug-negative, low false alarm subjects. These results suggest that a
high false alarm rate may reflect long-standing cognitive disturbances
and the effects of drug use. The vigilance task may be a sensitive and
efficient screening tool for recreational drug use.
DE Adult Affect/DRUG EFFECTS Alcoholism/DIAGNOSIS/PSYCHOLOGY
Attention/*DRUG EFFECTS AIDS Dementia Complex/DIAGNOSIS/PSYCHOLOGY
Human HIV Seropositivity/DIAGNOSIS/PSYCHOLOGY Intelligence Tests Male
Middle Age *Neuropsychological Tests Psychomotor Performance/*DRUG
EFFECTS *Psychotropic Drugs Reaction Time/*DRUG EFFECTS Recall/DRUG
EFFECTS *Street Drugs Substance Abuse/DIAGNOSIS/*PSYCHOLOGY Substance
Abuse Detection Support, U.S. Gov't, Non-P.H.S. JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).