Visual self-motion cues are impaired yet overweighted during visual–vestibular integration in Parkinson's disease

S Yakubovich, S Israeli-Korn, O Halperin… - Brain …, 2020 - academic.oup.com
Parkinson's disease is prototypically a movement disorder. Although perceptual and motor
functions are highly interdependent, much less is known about perceptual deficits in …

Self‐motion perception in Parkinson's disease

O Halperin, S Israeli‐Korn… - European journal of …, 2021 - Wiley Online Library
Abstract Parkinson's disease (PD), best characterized by its classic motor symptoms, also
manifests non‐motor symptoms including perceptual impairments. Normal motor and …

Impaired tilt perception in Parkinson's disease: a central vestibular integration failure

G Bertolini, A Wicki, CR Baumann, D Straumann… - PloS one, 2015 - journals.plos.org
Introduction Impaired balance control is a hallmark symptom in Parkinson's disease (PD).
Altered sensory-motor integration contributes to the deficiency. We aimed to determine …

Severity‐dependent effects of Parkinson's disease on perception of visual and vestibular heading

SB Beylergil, M Petersen, P Gupta… - Movement …, 2021 - Wiley Online Library
Objectives Parkinson's disease (PD) commonly affects visuospatial navigation causing
postural instability and falls. Our overarching aim was to examine the visual and vestibular …

[HTML][HTML] Parkinson's disease does not alter automatic visual-motor coupling in postural control

CF Cruz, MEP Piemonte, LA Okai-Nobrega… - Neuroscience …, 2018 - Elsevier
This study examined the coupling between visual information and body sway in patients with
Parkinson's disease (PD) compared with healthy controls. Postural control performance was …

Overconfidence in visual perception in Parkinson's disease

O Halperin, R Karni, S Israeli‐Korn… - European journal of …, 2021 - Wiley Online Library
Increased dependence on visual cues in Parkinson's disease (PD) can unbalance the
perception‐action loop, impair multisensory integration, and affect everyday function of PD …

Impact of optic flow perception and egocentric coordinates on veering in Parkinson's disease

S Davidsdottir, R Wagenaar, D Young… - Brain, 2008 - academic.oup.com
Spatial navigation is a complex process requiring integration of visuoperceptual information.
The present study examined how visuospatial function relates to navigational veering in …

A central processing sensory deficit with Parkinson's disease

S Hwang, P Agada, S Grill, T Kiemel… - Experimental brain …, 2016 - Springer
Parkinson's disease (PD) is a progressive degenerative disease manifested by tremor,
rigidity, bradykinesia, and postural instability. Deficits in proprioceptive integration are …

Impaired perception of biological motion in Parkinson's disease.

A Jaywant, M Shiffrar, S Roy, A Cronin-Golomb - Neuropsychology, 2016 - psycnet.apa.org
Objective: We examined biological motion perception in Parkinson's disease (PD).
Biological motion perception is related to one's own motor function and depends on the …

Functional correlates of optic flow motion processing in Parkinson's disease

D Putcha, RS Ross, ML Rosen, DJ Norton… - Frontiers in Integrative …, 2014 - frontiersin.org
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 …