A cognitive-motor network demonstrated by positron emission tomography.

A cognitive-motor network demonstrated by positron emission tomography.
复制标题

正电子发射断层扫描证实的认知运动网络。

DOI:
10.1016/0028-3932(83)90057-x
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发表时间:
1983
期刊:
影响因子:
2.6
通讯作者:
Reivich,M
Reivich,M
中科院分区:
心理学3区
文献类型:
--
作者:
Gur,RC;Gur,RE;Rosen,AD;Warach,S;Alavi,A;Greenberg,J;Reivich,M

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在接受口头任务(n=4)和空间任务(n=4)的受试者中,测量了局部大脑葡萄糖代谢率。相对于右半球同位区,言语任务在韦尼克区产生了更大的新陈代谢,而空间任务在右半球同位区产生了更大的代谢活动。Broca区和右半球在言语任务中表现为对称性活动,但在空间任务中右半球表现出显著的不对称性。额眼区域的偏侧化任务效应也被获得,这支持了一个假想的神经网络,将认知活动与运动定向联系起来。
The rate of local cerebral glucose metabolism was measured in subjects receiving a verbal (n=4) and a spatial (n=4) task. The verbal task produced greater metabolism in Wernicke's area relative to the right hemispheric homotopic region, whereas the spatial task produced greater metabolic activity in the right hemispheric homotopic region. Broca's area and its right hemisphere counterpart showed symmetrical activity during the verbal task, but there was a significant asymmetry to the right during the spatial task. Lateralized task effects were also obtained in the frontal eye fields, supporting a hypothesized neural network linking cognitive activity with motor orientation.
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