Ecstasy Works Primarily by Increasing ____________________ Functioning, Which Leaves Users

Ecstasy works primarily by increasing ____________________ functioning, which leaves users feeling empathetic, warm, and elated. When the drug wears off, the user feels sluggish and depressed due to depletion of this same neurotransmitter. Over time, Ecstasy can permanently damage receptor sites.

A) dopamine
B) serotonin
C) norepinephrine
D) GABA