For an antidepressant to be effective against obsessive-compulsive disorder, it must:
A) increase serotonin activity.
B) decrease serotonin activity.
C) increase norepinephrine activity.
D) decrease norepinephrine activity.

Question

Quizplus · Accepted Answer

Antidepressants effective against obsessive-compulsive disorder (OCD) primarily work by increasing serotonin activity in the brain, as serotonin is a key neurotransmitter involved in mood regulation and has been linked to OCD.

For an Antidepressant to Be Effective Against Obsessive-Compulsive Disorder, It