The Effect of Caffeine on Human Dark Adaptation.

Abstract

The consumption of caffeine by naval personnel in the operational environment is extensive and frequent. In particular, pilots, aircrewmen, watchstanders, and drivers often consume coffee prior to their performance of missions or tasks at night. The present two experiments were designed to investigate the effects of caffeine upon the absolute detection thresholds during dark adaptation. Within certain subjects caffeine consumption resulted in lower detection thresholds. The caffeine enhancement effect was significant only during the portion of dark adaptation following the rod-cone break. No evidence was found for a detrimental effect of caffeine on dark adaptation. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Apr 06, 1977
Accession Number
ADA043298

Entities

People

  • Gerald M. Long
  • Tommy R. Morrison

Organizations

  • Naval Aerospace Medical Research Laboratory

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Biomedical Research
  • Caffeine
  • Central Nervous System
  • Coffee
  • Control Knobs
  • Detection
  • Diffusers
  • Flight Training
  • Food
  • Human Behavior
  • Naval Air Stations
  • Naval Personnel
  • Navy
  • Plastic Explosives
  • Psychology
  • Security
  • Target Detection

Readers

  • Circadian Sleep-Wake Regulation and Chronobiology
  • Vision Science/Vision Psychology/Cognitive Neuroscience.