Cognitive Impairment in Parkinson's Disease: Is It a Unified Phenomenon?

  title={Cognitive Impairment in Parkinson's Disease: Is It a Unified Phenomenon?},
  author={Anja Lowit and Peter Howell and Bettina Brendel},
  journal={Brain impairment : a multidisciplinary journal of the Australian Society for the Study of Brain Impairment},
  volume={6 3},
Parkinson's disease (PD) has long been associated with dementia. This has been found to correlate with participant age, age at onset of PD and severity of PD. In addition, a large corpus of research points to the fact that participants with, as well as without, dementia can be impaired in a variety of cognitive tasks. Among these, set-shifting and dual-tasking skills have received particular focus. Most studies report that a reduction in attentional resources can lead to problems with these… CONTINUE READING