Figure 4.
Cannabis group (Low MJ-OSU, High MJ-OSU, Low MJ-CTL) by decision time (early trials, late trials) interaction results demonstrating that high cannabis occasional stimulant users (High MJ-OSU) exhibited greater anterior insula, inferior frontal gyrus (IFG), and dorsal striatum activation than low cannabis control subjects (Low MJ-CTL) during late trials when reward contingencies were being executed. Low cannabis users (Low MJ-OSU) did not differ from High MJ-OSU or Low MJ-CTL. Error bars reflect standard error.