Role of feedback in formation of acute tolerance to alcohol

Robert B. Post, Lisa A. Tavano, Richard J Maddock

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Objective: The contributions of feedback to formation of acute ethanol tolerance were studied during performance of a task that allowed practice in the absence of feedback about performance accuracy. Method: The perceptual instability of the seen environment during head movement (apparent concomitant motion, ACM) and the vestibulo-ocular reflex (VOR) were measured before and after alcohol ingestion. In separate conditions, eight (six female) subjects were either deprived or not deprived of normal vision of the laboratory during the portion of the experiment following onset of alcohol ingestion. Results: Alcohol caused ACM in the direction opposite head rotation to increase in both sessions. The degree of ACM increase was greater during sessions in which visual feedback was prevented than in sessions in which subjects could see the surroundings. The increase in ACM was accompanied by a decrease in gain of the VOR which was relatively larger in the no-feedback condition. In addition, ACM returned to normal (pre-alcohol ingestion) values more rapidly during sessions in which subjects received visual feedback. Conclusions: The results suggest that feedback is an important component in forming acute tolerance to alcohol, independent of task practice.

Original languageEnglish (US)
Pages (from-to)723-730
Number of pages8
JournalJournal of Studies on Alcohol
Volume59
Issue number6
StatePublished - Nov 1998

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tolerance
alcohol
Alcohols
Feedback
Vestibulo-Ocular Reflex
Sensory Feedback
Eating
Head Movements
Task Performance and Analysis
Ethanol
performance
Head
experiment
Values
Experiments

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Psychology(all)

Cite this

Role of feedback in formation of acute tolerance to alcohol. / Post, Robert B.; Tavano, Lisa A.; Maddock, Richard J.

In: Journal of Studies on Alcohol, Vol. 59, No. 6, 11.1998, p. 723-730.

Research output: Contribution to journalArticle

Post, Robert B. ; Tavano, Lisa A. ; Maddock, Richard J. / Role of feedback in formation of acute tolerance to alcohol. In: Journal of Studies on Alcohol. 1998 ; Vol. 59, No. 6. pp. 723-730.
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