Trait Impulsivity Is Independent of Mild Cognitive Impairment in a Parkinson's Disease Cohort
Ashani Jeyadevan, Megan C Bakeberg, Michelle Byrnes, Jade Kenna, Soumya Ghosh, Rick Stell, Sue Walters, Tess Evans, Sarah McGregor, Malcolm Horne, Frank L Mastaglia, Ryan S Anderton
Parkinson's Disease | HINDAWI LTD | Published : 2019
Introduction: Patients with Parkinson's disease (PD) commonly experience cognitive deficits and some also develop impulse control disorders (ICDs); however, the relationship between impulsivity and cognitive dysfunction remains unclear. This study investigated whether trait impulsivity associates with mild cognitive impairment (MCI), or is altered in a PD patient cohort with MCI. Methods: A total of 302 patients with idiopathic PD were recruited sequentially from three Australian Movement Disorder clinics. Based on cognitive scores, participants were divided into two groups, one defined as having mild cognitive impairment (PD-MCI; n = 113) and the other with normal cognitive function (PD-C; ..View full abstract
This study was funded by grants/research support from the Federal Cooperative Research Centre for Mental Health, the Perron Institute for Neurological and Translational Science, and the University of Notre Dame Australia. This research was carried out while MCB was in receipt of a Richard Walter Gibbon Medical Research Scholarship and an Australian Government Research Training Program Scholarship at the University of Western Australia.