Visuospatial perception and navigation in Parkinson's disease.

Visuospatial perception and navigation in Parkinson's disease.
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DOI:
10.1016/j.visres.2010.08.029
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发表时间:
2010-11-23
期刊:
影响因子:
1.8
通讯作者:
Cronin-Golomb, Alice
Cronin-Golomb, Alice
中科院分区:
心理学3区
文献类型:
--
作者:
Young, Daniel E.;Wagenaar, Robert C.;Lin, Cheng-Chieh;Chou, Ying-Hui;Davidsdottir, Sigurros;Saltzman, Elliot;Cronin-Golomb, Alice

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帕金森氏病患者的视野改变、视流速度感知改变和步态不对称可能会影响患者的前进方向。PD参与者(左侧体侧发作,LPD,n=14;右侧体侧发作,RPD,n=9)和健康对照参与者(n=17)走虚拟走廊,其中墙壁的视流速度变化。三维运动学显示,参与者转向远离快速移动的墙壁。虽然转向通常发生在步长较小的一侧,但在LPD和RPD中,这种偏差都被移位的视野所覆盖,这导致转向相反的方向,朝向基底神经节损伤更多的大脑一侧。
A shifted field of view, an altered perception of optic flow speed, and gait asymmetries may influence heading direction in Parkinson’s disease (PD). PD participants (left body-side onset, LPD, n=14; right body-side onset, RPD, n=9) and Healthy Control participants (n=17) walked a virtual hallway in which the optic flow speeds of the walls varied. Three-dimensional kinematics showed participants veered away from the faster moving wall. Although veering normally occurs toward the side with smaller step length, in both LPD and RPD this bias was overridden by a shifted field of view, which caused veering in the opposite direction, toward the side of the brain with more basal ganglia damage.
DOI: 10.1016/s0028-3932(02)00285-3
发表时间: 2003-01-01
期刊: NEUROPSYCHOLOGIA
影响因子: 2.6
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