academic article

• Longitudinal decline in speech production in Parkinson's disease spectrum disorders..  Brain and language.  42-51. 2017
• Neuropsychological Subgroups in Non-Demented Parkinson's Disease: A Latent Class Analysis..  Journal of Parkinson's disease.  7:385-395. 2017
• Defining and validating a short form Montreal Cognitive Assessment (s-MoCA) for use in neurodegenerative disease..  Journal of neurology, neurosurgery, and psychiatry.  87:1303-1310. 2016
• Longitudinal study of normal cognition in Parkinson disease..  Neurology.  85:1276-82. 2015
• Caregiver report of apathy predicts dementia in Parkinson's disease..  Parkinsonism & related disorders.  21:992-5. 2015
• Surface EMG activity during REM sleep in Parkinson's disease correlates with disease severity..  Parkinsonism & related disorders.  20:766-71. 2014
• Association between dopaminergic medications and nocturnal sleep in early-stage Parkinson's disease..  Parkinsonism & related disorders.  19:859-63. 2013
• Questionnaire-based diagnosis of REM sleep behavior disorder in Parkinson's disease..  Movement disorders : official journal of the Movement Disorder Society.  28:1146-9. 2013