Psychoactive drugs most directly affect nervous system activity by ____.

Question

Quizplus · Accepted Answer

Psychoactive drugs directly affect nervous system activity by blocking the reuptake of neurotransmitters such as dopamine, serotonin, and norepinephrine. By doing so, they increase the concentration of these neurotransmitters in the synaptic cleft, altering the communication between neurons and producing effects on mood, emotion, cognition, perception, and behavior.

Psychoactive Drugs Most Directly Affect Nervous System Activity by ____