Parkinson's Disease

What Causes Parkinson's Disease?

Try this 4 - question quiz to see how much you know about Parkinson's Disease: What Causes Parkinson's Disease?.

1. Dopamine is a




That's correct. B is the correct answer.

Dopamine is a chemical messenger, or neurotransmitter. It is responsible for transmitting signals between a brain region called the substantia nigra and multiple other brain regions. The connection between the substantia nigra and the corpus striatum is critical to produce smooth, purposeful movement.