Dementia Registry for Parkinson's Disease

Exclusion Criteria

• •Presence of any of the following criteria will exclude the subject from enrollment in the study:
• •1. Significant neurological disease other than PD that may affect cognition.
• •2. Current clinically important systemic illness that is likely to result in deterioration of the subject's condition or affect the subject's safety during the study.
• •3. History of clinically evident stroke.
• •4. History of seizures within the past 5 years
• •5. Myocardial infarction within the past one year prior to screening
• •6. Current DSM-IV-TR diagnosis of substance abuse or dependence (including alcohol abuse or dependence but excluding nicotine dependence) or history of substance dependence within the past 2 years to screening.
• •7. Regular use of anticholingeric drugs within 60 days prior to screening.
• •8. The subject received deep brain stimulation