Attention and Eye Movement in Parkinson's Disease

Summary

The goal of this observational and interventional study is to understand how therapeutic deep brain stimulation (DBS) affects attention, perception and cognition in participants with Parkinson's disease (PD) and non-PD movement disorders, including essential tremor (ET) and dystonia (DT). The main questions it aims to answer are: * Does impaired control of attention and eye movement in PD alter how social cues are perceived and interpreted? * Does therapeutic DBS improve or worsen attentional a

Eligibility

Inclusion Criteria * All Participants (Aim 1): * Ability and willingness to provide signed informed consent for this study * Ability to express perceptual judgments through a button press or mouse- controlled computerized slider * Age 19 - 90 years * DBS Participants (Aim 1): * Diagnosis

Locations