Color-coded MRI scans of chronic methamphetamine users showed that they experienced a sharp increase in the number of dopamine receptors and a sharp decrease in the number of serotonin receptors.

Question

Quizplus · Accepted Answer

Chronic methamphetamine use typically leads to a decrease in dopamine receptors due to neurotoxicity, not an increase. Serotonin receptor changes are less well-documented but are not characterized by a sharp decrease.

Color-Coded MRI Scans of Chronic Methamphetamine Users Showed That They