Incidence of visual extinction after left versus right hemisphere stroke
Incidence of visual extinction after left versus right hemisphere stroke
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DOI：
10.1161/strokeaha.107.489096
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发表时间：
2007-12-01
期刊：
影响因子：
8.3
通讯作者：
Karnath, Hans-Otto
中科院分区：
文献类型：
--
作者：
Becker, Elisabeth;Karnath, Hans-Otto
背景和目的——一般认为，空间忽视主要发生在人类右半球中风之后。相比之下，灭绝是否遵循相同的半球不对称性仍然存在争议。人们普遍认为，视觉消退的偏侧性并不像空间忽视那样明显。方法 - 为了直接比较同一样本中两种疾病的发生率，在一年的时间内对 83 名连续入院的单侧右半球或左半球中风患者进行了空间忽视和视觉消退的调查。结果 - 视觉消退和空间忽视的发生率没有显着差异，在左半球之后也没有显着差异（2.4% 忽视；4.9%）消退）也不是在右半球（26.2% 忽视；24.3% 消退）中风之后。结论 - 视觉消退似乎与人类右半球不对称相关，就像空间忽视一样。
Background and Purpose - Generally it is accepted that spatial neglect occurs predominantly after stroke of the human right hemisphere. In contrast, it remained controversial whether extinction follows the same hemispheric asymmetry. The opinion prevails that the laterality of visual extinction is not as pronounced as it is for spatial neglect.Methods - To directly compare the incidence of the 2 disorders within the same sample, spatial neglect and visual extinction were investigated during a 1-year period in 83 consecutively admitted patients with unilateral right or left hemisphere stroke.Results - The incidence of visual extinction and of spatial neglect was not significantly different, neither after left hemisphere (2.4% neglect; 4.9% extinction) nor after right hemisphere (26.2% neglect; 24.3% extinction) stroke.Conclusions - Visual extinction seems to be as asymmetrically associated with the human right hemisphere as is spatial neglect.