Fig. 1From: Microstructural brain abnormalities in HIV+ individuals with or without chronic marijuana useCognitive domain Z-scores in the four study participant groups. Regardless of marijuana use, HIV+ participants had significantly poorer performance in the domains of Design and Verbal Fluency, Attention/Working Memory, Learning, and Memory, as well as the Global Z-score, compared to HIV-seronegative participants. Error bars = standard errorsBack to article page