The dopamine hypothesis is based on the idea that schizophrenia results from __________.

A) the production of an abnormal brain chemical called dopamine
B) the overactivity of brain circuits sensitive to the neurotransmitter dopamine
C) an inability to produce enough of the neurotransmitter dopamine
D) the inhibition of brain activity caused by dopamine

Dopamine Hypothesis

Asserts that the brains of people with schizophrenia are oversensitive to the neurotransmitter dopamine.

Overactivity

Overactivity refers to a higher than normal level of physical or mental activity, which can sometimes indicate an underlying health issue or disorder.

Neurotransmitter Dopamine

A chemical messenger in the brain that plays key roles in reward, motivation, memory, and motor control.