定向和搜索过程中视觉注意的人类皮层机制。
Human cortical mechanisms of visual attention during orienting and search.
作者信息
Corbetta M, Shulman G L
机构信息
Department of Neurology, McDonnell Center for the Study of Higher Brain Function, Washington University, St Louis, MO 63110, USA.
出版信息
Philos Trans R Soc Lond B Biol Sci. 1998 Aug 29;353(1373):1353-62. doi: 10.1098/rstb.1998.0289.
Abstract
Functional anatomical studies indicate that a set of neural signals in parietal and frontal cortex mediates the covert allocation of attention to visual locations across a wide variety of visual tasks. This frontoparietal network includes areas, such as the frontal eye field and supplementary eye field. This anatomical overlap suggests that shifts of attention to visual locations of objects recruit areas involved in oculomotor programming and execution. Finally, the fronto-parietal network may be the source of spatial attentional modulations in the ventral visual system during object recognition or discrimination.
摘要
功能解剖学研究表明，顶叶和额叶皮质中的一组神经信号介导了在各种视觉任务中对视觉位置的隐蔽性注意力分配。这个额顶叶网络包括诸如额叶眼区和辅助眼区等区域。这种解剖学上的重叠表明，将注意力转移到物体的视觉位置会激活参与眼球运动编程和执行的区域。最后，额顶叶网络可能是物体识别或辨别过程中腹侧视觉系统空间注意力调制的来源。
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