猫纹状皮层IVab层中特定类型神经元的数量。
Numbers of specific types of neuron in layer IVab of cat striate cortex.
作者信息
Solnick B, Davis T L, Sterling P
出版信息
Proc Natl Acad Sci U S A. 1984 Jun;81(12):3898-900. doi: 10.1073/pnas.81.12.3898.
Abstract
Layer IVab of the visual cortex (area 17) of the cat contains about 51,400 neurons per mm3, including about 400-1200 per mm3 of each of three categories of neuron believed from previous work to represent discrete types. Each type forms about 0.5-1.5% of all the IVab neurons, which suggests that the total number of types in this layer might be much greater than previously supposed, perhaps as many as 50 or more. From their densities and estimates of their dendritic fields, we calculate that each type completely "covers" layer IVab in the tangential plane but only by a small factor (1.3-4.2).
摘要
猫视觉皮层（17区）的IVab层每立方毫米约含51,400个神经元，其中包括三类神经元，每类每立方毫米约有400 - 1200个，根据先前的研究，这三类神经元被认为代表不同的离散类型。每类神经元约占IVab层所有神经元的0.5 - 1.5%，这表明该层神经元类型的总数可能比之前认为的要多得多，也许多达50种或更多。根据它们的密度及其树突野的估计，我们计算出每类神经元在切向平面上完全“覆盖”IVab层，但覆盖系数较小（1.3 - 4.2）。
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