Parkinson's Symptoms Appear When 100% of the Nerve Cells in the Substantia

question 28

True/False

Parkinson's symptoms appear when 100% of the nerve cells in the substantia nigra are damaged.

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Definitions:

Serotonin

A neurochemical that plays a crucial role in mood regulation, as well as influencing various other bodily functions like sleep, digestion, and clotting.

Depression

A mood disorder characterized by persistent feelings of sadness, loss of interest, and a lack of pleasure in daily activities.

Tardive Dyskinesia

A neurological syndrome characterized by repetitive, involuntary, purposeless movements, often caused by long-term use of certain psychiatric drugs.

Neuroleptic Drugs

These are a class of medications primarily used to manage psychosis, particularly in schizophrenia and bipolar disorder, by blocking dopamine receptors.