The hallmark pathology of Parkinson’s disease is the damage and death of dopamine producing neurons in the brain. Dopamine plays a role in controlling movement, cognition, learning, and mood, ...

Muscle contractions during exercise help stimulate motor neurons, a team from Massachusetts ... cognitive performance at baseline, and lower dementia risk long-term" and "could mitigate the ...

In the process, he discovered two abnormalities: Large abnormal clumps had formed between neurons, and ropelike ... used interchangeably with the term dementia, but they are not the same.

In the spinal cord, tau pathology leads to a dramatic loss of motor neurons (approximately 50 percent), and an early, progressive, and severe motor impairment. In homozygous mice, partial paralysis of ...