Hearing impairment has emerged as a potential risk factor for Parkinson’s disease, a progressive neurodegenerative disorder that primarily manifests with motor impairments like tremors, rigidity, and ...

Parkinson’s disease, characterized by progressive dopamine neuron loss, leads to motor deficits such as bradykinesia and rigidity, as well as nonmotor symptoms like cognitive decline and depression.

The American Parkinson Disease Association (APDA) highlights four primary motor symptoms of the condition, including bradykinesia, which is slow movement. Bradykinesia can impact a person's voice ...