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Influences of alcohol and S-R uncertainty upon spatial localization time

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Abstract

Using a complete factorial design, choice reaction times of nine subjects were determined in three sessions on each of three days, after having consumed three beverages (placebo, beer, ethanol) with only a single beverage being consumed each day. Reaction time (the time to identify the location of a dot projected on a small screen) was measured from onset of stimulus presentation to the verbalization of a single-digit number associated with the area of the screen upon which the dot was projected. Reaction times were lengthened significantly by alcohol; increases in stimulus-response uncertainty, i.e., the number of possible locations and associated responses; and were lengthened more by alcohol as stimulus-response uncertainty was increased.

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Additional information

The author is indebted to M. W. Perrine who is principal investigator of Public Health Research Grant MH-17683-01 under which this research was conducted.

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Huntley, M.S. Influences of alcohol and S-R uncertainty upon spatial localization time. Psychopharmacologia 27, 131–140 (1972). https://doi.org/10.1007/BF00439372

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Key words

  • Alcohol
  • Stimulus-Response Uncertainty
  • Reaction Time