THE EFFECTS OF MODAFINIL, AMPHETAMINE AND PLACEBO ON INDIVIDUAL AND GROUP DECISION MAKING PROCESSES IN A SUSTAINED OPERATIONS ENVIRONMENT

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Authors
  1. Thompson, M.M.
  2. Baranski, J.V.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN)
Abstract
To date little attention has been devoted toward understanding individual versus group decision making in sustained operation environments, or how these processes are enhanced or compromised by the use of drugs designed to reduce the effects of fatigue. Canadian Forces volunteers participated in an individual and group decision making task every 6 hours for approximately 84 hours, including 64 hours of sleep deprivation. In Phase A (individual portion) of each session, subjects provided numerical estimates and self-report measures for five intellectual knowledge questions. In Phase B, subjects met as a group and provided consensus judgments for each of the five estimate questions. Phase C involved individually providing self-reported perceptions concerning various aspects of the previous group session. We found robust effects of sleep deprivation (SD) on subjective measures of individual and group performance. Although subjects perceived that SD was having an increasing impact upon individual and group judgments and group decision times increased with SD, the actual accuracy of group judgments was not diminishted. TRUNCATED
Keywords
Modafinil;Sustained operations
Report Number
DCIEM-95-P-44 — Paper
Date of publication
01 Oct 1995
Number of Pages
8
DSTKIM No
98-00094
CANDIS No
506695
Format(s):
Hardcopy;Document Image stored on Optical Disk

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