Fig. 4

Acute effect of Δ9-THC on glutamate measures in the left head of the caudate as a function of the psychotomimetic symptom manifestation. THC (−)-trans-Δ9-tetrahydrocannabinol, PLB placebo, P 2-tailed; error bars show standard deviations

Acute effect of Δ9-THC on glutamate measures in the left head of the caudate as a function of the psychotomimetic symptom manifestation. THC (−)-trans-Δ9-tetrahydrocannabinol, PLB placebo, P 2-tailed; error bars show standard deviations