Effects of caffeine deprivation on complex human functioning

S. Streufert; R. Pogash; J. Miller; D. Gingrich; R. Landis; L. Lonardi; W. Severs; J. D. Roache

doi:10.1007/BF02245937

Effects of caffeine deprivation on complex human functioning

S. Streufert, R. Pogash, J. Miller, D. Gingrich, R. Landis, L. Lonardi, W. Severs, J. D. Roache

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28 Scopus citations

Abstract

Twenty-five managers who reported an average daily caffeine consumption of 575 mg participated in two complex simulations. A double-blind cross-over design was employed to assess the effects of normal caffeine consumption versus caffeine deprivation upon seven validated measures of managerial effectiveness. Data from a Caffeine Withdrawal Questionnaire indicated discomfort upon deprivation. Systolic blood pressure increased during "normal" caffeine consumption levels but fell quickly and remained lower during deprivation. Several measures of managerial performance indicated decreased effectiveness upon caffeine deprivation. In contrast to prior research from simpler task settings, cognitive effectiveness (during complex task performance) was diminished. However, a measure of strategic performance which requires a relatively high level of cognitive effort showed no impact of caffeine deprivation.

Original language	English (US)
Pages (from-to)	377-384
Number of pages	8
Journal	Psychopharmacology
Volume	118
Issue number	4
DOIs	https://doi.org/10.1007/BF02245937
State	Published - Apr 1995

All Science Journal Classification (ASJC) codes

Pharmacology

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10.1007/BF02245937

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AU - Miller, J.

AU - Gingrich, D.

AU - Landis, R.

AU - Lonardi, L.

AU - Severs, W.

AU - Roache, J. D.

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Effects of caffeine deprivation on complex human functioning

Abstract

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