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6.1.1.3 Visual cortex Neurons in the LGN project to striate cortex (also known as primary visual cortex or V1), an anatomically distinctive cortical region in the occipital lobe, at the back of the brain. The cortex as a whole is a large, thin (∼2 mm) sheet containing several clearly...
1. Introduction In the non-dualistic approach to consciousness, visual awareness is mediated by the activity of nerve cells. The question that is specifically addressed in this paper, is to what extent the nerve cells in visual cortical area V1, or primary visual cortex, contribute to visual ...
Visual input to primary visual cortex (V1) depends on highly adaptive filtering in the retina. In turn, isolation of V1 computations requires experimental control of retinal adaptation to infer its spatio-temporal-chromatic output. Here, we measure the balance of input to mouse V1, in the ane...
Introduction:在视觉通路中存在功能各异的神经元,每个神经元(除供给营养作用的神经胶质细胞外)都有相应视觉感受野,比如神经节细胞和外侧膝状体核有同心圆式的感受野,V1区中有对朝向敏感的长条形感受野。同时…
In this paper, we present a novel model of the primary visual cortex (V1) based on orientation, frequency, and phase selective behavior of V1 simple cells. We start from the first-level mechanisms of visual perception, receptive profiles. The model interprets V1 as a fiber bundle over the...
Brightness illusions are a powerful tool in studying vision, yet their neural correlates are poorly understood. Based on a human paradigm, we presented illusory drifting gratings to mice. Primary visual cortex (V1) neurons responded to illusory gratings,
Receptive fields in primary visual cortex (V1) are categorized as simple or complex, depending on their spatial selectivity to stimulus contrast polarity. We studied the dependence of this classification on visual context by comparing, in the same cell, the synaptic responses to three classical rece...
The complete loss of visual awareness resulting from a lesion to the primary visual cortex (V1) suggests that this region is indispensable for conscious visual perception. There are however a number cases of conscious perception in the absence of V1 which appear to challenge this conclusion. Thes...
近期,电子科技大学生命学院脑器交互研究团队在《中国神经再生研究(英文版)》(Neural Regeneration Research)上发表了题为“Morphological disruption and visual tuning alterations in the primary visual cortex in glaucoma (DBA/2J) mice”研究论文。通过对青光眼小鼠(DBA/2J)和年龄匹配的正常小鼠(C57BL/6J)V1神经...