An Examination of Cognitive Heterogeneity in Parkinson Disease: The Dual-Syndrome Hypothesis.
Dale SummersKristie A SpencerConnie OkasakiJessica E HuberPublished in: Journal of speech, language, and hearing research : JSLHR (2024)
The current results provide mixed support for the dual-syndrome hypothesis, with some evidence that the posterior cortical cognitive profile is associated with postural instability and gait disorder as well as greater dementia risk.