Monoamine Theory

Definition

The monoamine theory is a hypothesis that suggests low levels of certain neurotransmitters, such as serotonin, norepinephrine, and dopamine, in the brain are responsible for causing depression. It proposes that increasing the levels of these neurotransmitters can alleviate symptoms of depression.

Related terms

Selective Serotonin Reuptake Inhibitors (SSRIs): These are medications commonly used to treat depression by blocking the reabsorption of serotonin in the brain, thereby increasing its availability.

Neurotransmitters: These are chemical messengers in the brain that transmit signals between nerve cells. Examples include serotonin, norepinephrine, and dopamine.

Depression: A mental health disorder characterized by persistent feelings of sadness, loss of interest or pleasure in activities, changes in appetite or sleep patterns, and difficulty concentrating or making decisions.