Life Sciences Commons^™

Functional Correlates Of Optic Flow Motion Processing In Parkinson's Disease, Deepti Putcha, Robert S. Ross, Maya L. Rosen, Daniel J. Norton, Alice Cronin-Golomb, David C. Somers, Chantal E. Stern

Neuroscience: Faculty Publications

The visual input created by the relative motion between an individual and the environment, also called optic flow, influences the sense of self-motion, postural orientation, veering of gait, and visuospatial cognition. An optic flow network comprising visual motion areas V6, V3A, and MT+, as well as visuo-vestibular areas including posterior insula vestibular cortex (PIVC) and cingulate sulcus visual area (CSv), has been described as uniquely selective for parsing egomotion depth cues in humans. Individuals with Parkinson's disease (PD) have known behavioral deficits in optic flow perception and visuospatial cognition compared to age- and education-matched control adults (MC). The present study …