Abstract
The present study investigated the effects of ethanol on retrieval from long-term memory by using a set of cognitive decision tasks. Male and female subjects were administered either 0.0 or 1.0 milliliter of ethanol per kilogram of body weight, and then asked to make physical, lexical, and semantic decisions about pairs of words. In general, intoxicated subjects responded significantly slower than sober subjects on all decision types. In addition, female subjects demonstrated greater performance deficits than males when intoxicated. The results suggested that the reduction in speed was not due to a simple slowing of motor responses. Rather the ethanol induced memory deficits may result from the slowing of cognitive operations that impair the efficiency of working memory. Several reasons were proposed for the observed difference in reaction to intoxication between male and female subjects, including neuroendocrine processes and cognitive differences.
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