Psychopharmacology and reaction time

accuracy Acta Psychol age function age-related alcohol amoeboid amphetamine amplitude Analgesics analysis antidepressants anxiety anxious subjects automatic average barbiturate Benzodiazepines c/deg changes chromatic chromatic and achromatic cognitive colour complexity hypothesis components contrast correct responses correlation CRT task detection diazepam display distractors diurnal driver drug action drug effects electrodes error signal etal evoked potentials experiment experimental factor Figure fixation Frowein gratings Hindmarch human performance hysteresis impairment increase information processing rate input interaction Kranda laboratory latencies lateral position lift-off lormetazepam MCRT mean reaction mean RT measures method motor msec normal group observed old subjects onset oxazepam parameters pattern perceptual placebo presented psychological psychomotor psychopharmacology Psychophysics Rabbitt response latencies Sanders sedative drugs selection slowing spatial frequency speed state-oriented approach stimulus target task variables threshold total CRT trials variable mapping VEPs visual evoked potentials visual search Washington D.C. wave young anxious young normal young subjects