Table 1 Summary of outcome measures

UPDRS motor subscale

X

X

X

X

X

X

Beck Depression Inventory II

X

X

University of Pennsylvania Smell Identification Test

X

X

X

X

Timed Up and Go

X

X

X

X

X

X

Hopkins Verbal Learning Test

X

X

X

X

X

X

Parkinson’s Disease Questionnaire-39

X

X

Trail Making Test

X

X

X

X

X

X

Simple & Choice Reaction Task

X

X

X

X

X

X

Processing Speed Test

X

X

X

X

X

X

Postural Sway

X

X

X

X

X

X

Nine Hole Peg Test

X

X

X

X

X

X

MRI

X

X

X

X