An assessment has been made of the actions of the psychotropic drug alprazolam and of its possible interaction with alcohol, using a variety of psycho(pharmaco-)logical test systems designed to examine sensory, motor and other central nervous system functions in addition to giving subjects impressions of drug actions and side-effects. The merits and validity of these tests will be discussed and the simplicity of assessing psychomotor function for investigating drug-alcohol interactions is illustrated.
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