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Pusher综合征患者的视觉垂直线:偏侧空间和体位的影响
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作者 saj a. Honoré J. +2 位作者 Coello Y. Rousseaux M. 陈海 《世界核心医学期刊文摘(神经病学分册)》 2005年第12期30-30,共1页
The subjective visual vertical (SVV) was investigated in right brain-damaged (RBD) patients with pusher syndrome (PS)-which is thought to stem from an erroneous perception of body orientation. The participants, sittin... The subjective visual vertical (SVV) was investigated in right brain-damaged (RBD) patients with pusher syndrome (PS)-which is thought to stem from an erroneous perception of body orientation. The participants, sitting or lying, had to align a luminous rod with gravity. The task was performed in darkness with the rod centred to the body, or placed in the left (neglected) or in the right hemispace. The error, negligible in the control group (+0.3°; n = 6) and mild in the nonneglect non-pusher patients (-1.8°; n = 6), was clearly clockwise in the pusher neglect patients (N+P+; +7.2°; n = 4), but anticlockwise in the non-pusher neglect patients (-6.6°; n = 6). In both neglect groups, error was greater when the rod was in the left space. In N+P+patients, the performance was strongly affected by posture (lying: +5.2°; sitting: +9.2°). Intra-individual variability was also much greater in this group. This study confirms the contralesional deviation of SVV in RBD patients without PS and suggests the presence of an opposite bias in RBD patients affected by PS. 展开更多
关键词 PUSHER综合征 右侧脑 卧位 逆时针方向 顺时针方向 在黑暗中
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