Parkinson’s Symptoms Trace to Distinct Brain Circuits
Parkinson's disease is often treated as a single disorder. But for the more than 1.1 million people(opens in new window) living with it in the United States, the disease can look different from one person to the next. Research from Carnegie Mellon University’s Aryn Gittis(opens in new window) and colleagues suggests the most recognizable symptoms — tremor and slowed movement — result from disruptions in different motor circuits(opens in new window) of the…

