1 Study Matches
Asymmetric neurodegeneration of central olfactory system in early-stage Parkinson’s disease
This research is being done to study the deterioration of the central olfactory system (sense of smell system) in the brains of patients diagnosed with H&Y stage 1 or 2 Parkinson’s disease compared to that of healthy volunteers.
18 year(s) or older
Inclusion Criteria:Cognitively-normal H&Y stage 1 PD patients. A physician-documented parkinsonian symptom onset between the ages of 40-59. 1st visit prior to age 65. PD stage I diagnosis must be documented for a min of 2 years.
Cognitively-normal H&Y stage 2 PD patients. H&Y stage 2, as defined by an exam in the practically defined “off” state, and have a diagnosis of PD at the age of 59 or younger. 1st visit prior to age 65
Healthy participants between ages 40-64 at their first visit.
Able and willing to provide informed consent
Fluent in written and spoken English
Exclusion Criteria:Parkinson-plus syndrome
Previous antipsychotic or anti-dopamine drug therapy
Traumatic head injury
Other neurological diseases or disorders