Question

Are symptoms of mental illness are thought to be caused by disturbances in the usual functioning of the brain?

Answer 1

Yes. Most scientists believe that mental illnesses result from problems with the communication between neurons in the brain.

Answer 2

Most scientists believe that mental illnesses result from problems with the communication between neurons in the brain (neurotransmission). For example, the level of the neurotransmitter serotonin is lower in individuals who have depression. This finding led to the development of certain medications for the illness.

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