Cocaine abusers have reduced auditory P50 amplitude and suppression compared to both normal controls and alcoholics

The auditory P50 evoked response to click stimuli was recorded from 10 2-week abstinent African-American chronic cocaine abusers and 10 African-American non-substance-abusing controls. Stimuli consisted of pairs of clicks with a 500-msec interval between clicks in a pair, and a 7–8 sec interval betw...

Ausführliche Beschreibung