Deterioration of the neurons within the substantia nigra has been linked to:
A)Alzheimer's disease
B)obsessive-compulsive disorder
C)depression
D)Parkinson's disease

Question

Quizplus · Accepted Answer

The substantia nigra is a region of the brain that produces dopamine, a neurotransmitter involved in movement and motivation. Parkinson's disease is a neurodegenerative disorder that is characterized by the loss of dopamine-producing neurons in the substantia nigra, leading to motor symptoms such as tremors, rigidity, and difficulty with movement. Alzheimer's disease affects the hippocampus, while obsessive-compulsive disorder and depression involve other regions of the brain. Thus, the best answer is D.

Deterioration of the Neurons Within the Substantia Nigra Has Been