Marijuana abuse is associated with neurological changes including increases in frontal EEG alpha during abstinence. Research is needed to assess to what extent these EEG patterns are indicative of cerebral perfusion deficits. We recorded the resting eyes closed EEG of 75 abstinent marijuana users and 33 control subjects. Fifty-six marijuana users used marijuana for less than eight years and 19...
The use of marijuana is rampant among 3,4-methylenedioxymethamphetamine (MDMA) users. The co-occurrence of abuse of these two drugs has made it difficult to assess the specific residual effects of MDMA alone. As a first step toward identifying the effects of long-term MDMA use, we studied 8 MDMA abusers, 8 marijuana/MDMA abusers, 15 marijuana abusers (matched in marijuana use without MDMA use),...