CAS: Psychological and Brain Sciences: Scholarly Papers
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URI: http://hdl.handle.net/2144/1260
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Effects of Parkinson’s disease on optic flow perception for heading direction during navigation
(Springer Berlin Heidelberg, 2014)Visuoperceptual disorders have been identified in individuals with Parkinson’s disease (PD) and may affect the perception of optic flow for heading direction during navigation. Studies in healthy subjects have confirmed ... -
Frontal and posterior subtypes of neuropsychological deficit in Parkinson's disease
(American Psychological Association, 2013)Mild cognitive impairment in Parkinson's disease (PD) is heterogeneous in regard to affected domains. Although patterns of cognitive performance that may predict later dementia are as yet undetermined, posterior-versus ... -
Altered intrinsic functional coupling between core neurocognitive networks in Parkinson's disease
(Elsevier, 2015)Parkinson's disease (PD) is largely attributed to disruptions in the nigrostriatal dopamine system. These neurodegenerative changes may also have a more global effect on intrinsic brain organization at the cortical level. ... -
The effect of Parkinson’s disease subgroups on verbal and nonverbal fluency
(Routledge, 2014-01)BACKGROUND: Parkinson’s disease (PD) leads to deficits in executive function, including verbal and nonverbal fluency, as a result of compromised frontostriatal circuits. It is unknown whether deficits in verbal and nonverbal ... -
Effect of visual cues on the resolution of perceptual ambiguity in Parkinson’s disease and normal aging
(Cambridge University Press, 2015-02)Parkinson's disease (PD) and normal aging have been associated with changes in visual perception, including reliance on external cues to guide behavior. This raises the question of the extent to which these groups use ... -
Normal discrimination of spatial frequency and contrast across visual hemifields in left-onset Parkinson’s disease: evidence against perceptual hemifield biases
(Pergamon, 2015)Individuals with Parkinson's disease (PD) with symptom onset on the left side of the body (LPD) show a mild type of left-sided visuospatial neglect, whereas those with right-onset (RPD) generally do not. The functional ... -
Functional correlates of optic flow motion processing in Parkinson’s disease
(Frontiers Media, 2014)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 ... -
Perceptual, cognitive, and personality rigidity in Parkinson's disease
(Pergamon, 2015)Parkinson’s disease (PD) is associated with motor and non-motor rigidity symptoms (e.g., cognitive and personality). The question is raised as to whether rigidity in PD also extends to perception, and if so, whether ... -
Salience and default mode network coupling predicts cognition in aging and Parkinson’s disease
(Cambridge University Press, 2016)OBJECTIVES: Cognitive impairment is common in Parkinson’s disease (PD). Three neurocognitive networks support efficient cognition: the salience network, the default mode network, and the central executive network. The ... -
Veering in hemi-Parkinson’s disease: primacy of visual over motor contributions
(Pergamon, 2015)Veering while walking is often reported in individuals with Parkinson’s disease (PD), with potential mechanisms being vision-based (asymmetrical perception of the visual environment) or motoric (asymmetry in stride length ...
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