The Earliest Catecholamine Hypothesis of Affective Disorders Suggested That Depression

question 21

Multiple Choice

The earliest catecholamine hypothesis of affective disorders suggested that depression results from

• A)an excessive amount of norepinephrine activity
• B)an excessive amount of dopamine activity
• C)a deficiency of norepinephrine and/or dopamine in the brain
• D)none of these

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Definitions:

Dopamine

A neurotransmitter in the brain that plays a crucial role in reward, motivation, and motor control.

Drug Molecule

A drug molecule is a chemical compound that has therapeutic effects or can be used in the development of pharmaceuticals.

Neurotransmitter's Action

involves the process by which neurotransmitters, which are chemical messengers, are released by neurons to transmit signals across synapses to other neurons, muscles, or glands.

Antagonist

In pharmacology, a substance that acts against and blocks an action by attaching to and inhibiting the function of receptors in the body. In literature, a character who opposes the protagonist.