Science news articles about 'brain parkinson'

... diseases, but both depend upon dopamine in the brain. Parkinson's patients don't have enough ... brake and depress the gas pedal to go. Parkinson's disease patients, who have lost the neurons that release ...

... because scientists have long known that dopamine is used to carry reward information throughout the brain. Parkinson's patients, however, have lost most of their dopamine-producing cells by the time ...