Neurochemically, both unipolar depression and bipolar disorder are associated with:

A) low serotonin activity.
B) high serotonin activity.
C) low dopamine activity.
D) high dopamine activity.

Neurochemically

Pertaining to neurochemistry, the study of chemicals, including neurotransmitters and other molecules, that influence or regulate the nervous system.

Unipolar Depression

A serious form of depression marked by ongoing sadness or an apathy towards external events.

Bipolar Disorder

A mental health condition characterized by significant mood swings, including episodes of mania and depression.