Slowness of movement

Loss of the sense of smell

Lack of interest or concern

Slowness of movement

Impaired speech function

Abnormal involuntary movements

Difficulty in swallowing

Characterized by persistent or intermittent contractions of opposing muscles causing abnormal movements or postures

A group of lipids in the brain that act as neurotransmitters

Unstable molecules that can damage cells

A neurotransmitter that inhibits the activity of neurons

A unit of heredity that is passed from parent to offspring

A drug that is converted to dopamine in the brain

Abnormal protein clumps that accumulate in dead or dying dopamine-producing cells of the substantia nigra in Parkinson's disease

A medical imaging technique that uses strong magnetic fields and radio waves to create detailed images of the inside of the body

A type of immune cell that resides in the brain

The progressive loss of neurons

Abnormal protein clumps that accumulate in dead or dying neurons in Alzheimer's disease and other neurodegenerative diseases

A neurological disorder that causes tremor

Difficulty with balance

A hormone that is produced by the pituitary gland

A neurological disorder that causes an irresistible urge to move the legs

A part of the brain that is involved in movement

An involuntary

A protein that is involved in the process of protein degradation