Differential effects of the anxiolytic drugs, diazepam and buspirone, on memory function.

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Abstract
1 The effects of the anxiolytic drugs diazepam (5 mg) or buspirone (5 or 10 mg) were studied in comparison with placebo on memory function in 39 subjects diagnosed with generalized anxiety disorder. 2 Neither drug altered the immediate recall of a list of 16 nouns or impaired digit span, a second test of immediate memory. Diazepam selectively impaired the recall of nouns after a 20 min delay when compared with placebo. In contrast, neither dose of busipirone altered the delayed recall of the word list. 4 The implications of such different effects of anxiolytic drugs on memory function for the clinical treatment of anxiety are discussed.