For decades, Parkinson’s disease has been framed as a simple story of dwindling dopamine, a slow erosion of the brain’s movement signal. A wave of new research is now overturning that picture, ...
You won’t get very far without dopamine. That is the problem at the heart of Parkinson’s disease; the death of dopamine-producing cells eventually leaves many patients unable to walk. Too much ...
The pursuit of pleasure and the avoidance of pain is one popular explanation of what motivates a person to act. What we consider pleasure or pain is highly subjective and varies dramatically among ...
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