[猫上丘感受野的空间特性与光刺激运动速度之间的关系]
[Relation between the spatial characteristics of the receptive fields of the superior colliculi of the cat and the rate of movement of a photic stimulus].
作者信息
Kiseleva N B, Novikov G I, Podvigin N F
出版信息
Fiziol Zh SSSR Im I M Sechenova. 1985 Dec;71(12):1540-5.
PMID:4092774
Abstract
The receptive fields of visual cells in superficial and intermediate layers of the cat superior colliculus were investigated: their boundaries, size, shape, dependence on the velocity of stimulus. The size of the excitatory zone decreased whereas the firing rate of the cells increased when the velocity 3 +/- 180 degrees.S-1 was changed. That was typical of both directionally and non-directionally selective cells. The mechanism of directional selectivity is discussed.
摘要
对猫上丘浅层和中间层视觉细胞的感受野进行了研究
包括它们的边界、大小、形状以及对刺激速度的依赖性。当速度在3±180度·秒⁻¹变化时，兴奋区的大小减小，而细胞的放电频率增加。这在方向选择性和非方向选择性细胞中都是典型的。文中还讨论了方向选择性的机制。
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