Researchers have identified a previously overlooked neural pathway that helps control human hand and arm movements. The ...

Parkinson's disease does more than cause tremor and trouble walking. It can also affect sleep, smell, digestion and even thinking. That may be because the disease disrupts communication in a brain ...

Parkinson’s patients experienced 2.5 times better symptom improvement when doctors targeted a specific brain network rather than adjacent areas. This breakthrough challenges decades of understanding ...