Differences in the neuronal correlation between the central and peripheral vision in the cat early visual cortex
Differences in the neuronal correlation between the central and peripheral vision in the cat early visual cortex
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猫早期视觉皮层中央视觉和周边视觉神经元相关性的差异
DOI：
10.1097/wnr.0000000000001675
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发表时间：
2021
期刊：
影响因子：
1.7
通讯作者：
Wang Gang
中科院分区：
文献类型：
--
作者：
Okamura Jun-ya;Wang Ridey Hsiao;Kawano Kousuke;Wang Gang
在对应于视野外围的皮层区域中报告了显著的环绕调制，而在中心没有报告明确的环绕调制。为了解视野中心区和周边区功能差异的神经基础，用多通道电极记录了猫早期视皮层细胞对视野中心区和周边区感受野的反应，并对全场刺激反应中的锋电位进行了相关分析，并且分析了中心-环绕刺激，其包含中心贴片中的光栅和环绕光栅。显示出显著交叉相关的细胞对的体积在对应于外围的皮层区域中比中心大。在视野中央，随着记录点间距的增加，显示显著互相关的细胞对的百分比显著降低，互相关图峰值的时滞分布在零附近。在视野的周边，交叉相关图的峰值的时间滞后分布更广泛，并随着记录点的间距增加而增加。在每个细胞对优选方向的中心-环绕刺激的反应中，表现出显着交叉相关性的细胞对的百分比在外围比中心更大。这些结果表明，更多的横向相互作用发生在对应于周边比中心的视野的皮质区。
Significant surround modulation was reported in the cortical areas corresponding to the periphery of the visual field, whereas no clear surround modulation was reported in the center. To understand the neural bases underlying the differences of the functions between the cortical areas corresponding to the center and periphery of the visual field, responses of the cells in the cat early visual cortex with their receptive fields in the center and periphery of the visual field were recorded by using multichannel electrodes, and cross-correlations of the spikes in the responses to the full-field stimuli, and the center-surround stimuli, which contained a grating in a central patch and a surround grating, were analyzed. Percentages of the cell pairs showing significant cross-correlation were larger in the cortical areas corresponding to the periphery than the center. In the center of the visual field, the percentages of the cell pairs showing significant cross-correlation significantly decreased as the separation of the recording points increased, and the time lags of the peaks of the cross-correlogram distributed around zero. In the periphery of the visual field, the time lags of the peaks of the cross-correlogram distributed more widely and increased as the separation of the recording points increased. In the responses to the center-surround stimuli in the preferred orientation of each cell, percentages of the cell pairs showing significant cross-correlation were larger in the periphery than the center. These results suggest that more lateral interactions occur in the cortical areas corresponding to the periphery than the center of the visual field.
小猫中相对于视盘投影的中心区域位置作为年龄的函数。
影响因子：
4.4
作者：
C. Milleret;P. Buisseret;E. Gary
通讯作者：
E. Gary
影响因子：
5.5
作者：
FOSTER, KH;GASKA, JP;POLLEN, DA
通讯作者：
POLLEN, DA