The effects of benzodiazepines on learning and memory are examined in the various clinical situations in which these drugs are used. Alterations in performance arising from the conditions for which benzodiazepines are prescribed are also considered. Current evidence indicates that, in anxious patients, as in normal volunteers, benzodiazepines impair the acquisition of new information (episodic memory). Although some tolerance may develop to these impairments, deficits are observed even after patients have been taking their medication chronically. Like amnesic patients, benzodiazepine-treated subjects may be unaware of their impaired ability to learn. The effects of the impairments on behavioral psychotherapies are considered.
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