Certain methods to improve motor functions of PD patients do not generally impact the cognitive deficits.

PD patients also showed impairments in verbal fluency and took longer to respond on tasks.

As the disease progresses, the shaking, or tremor, which affects the majority of PD patients may begin to interfere with daily activities.

PD patients often demonstrate deficits in their ability to sequence information, or date events.

In general, the voice modulations needed to express strong emotions are particularly difficult for PD patients.

PD patients fall mostly forward (45% of all falls) and about 20% fall laterally.

Virtual reality glasses have also been developed recently to aid walking in PD patients.

By consciously paying more attention to walking and rehearsing each step before actually making it, PD patients have shown to improve their gait.

Physical therapy and exercise have been shown to have positive effects on gait parameters in PD patients.

Hip fractures from falls are the most common form of fracture among PD patients.