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Microcircuits in visual cortex
Current Opinion in Neurobiology, 2002The microcircuitry of the neocortex is bewildering in its anatomical detail, but seen through the filters of physiology, some simple circuits have been suggested. Intensive investigations of the cortical representation of orientation, however, show how difficult it is to achieve any consensus on what the circuits are, how they develop, and how they ...
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2009
Human visual cortex comprises 4-6. billion neurons that are organized into more than a dozen distinct functional areas. These areas include the gray matter in the occipital lobe and extend into the temporal and parietal lobes. The locations of these areas in the intact human cortex can be identified by measuring visual field maps.
Wandell, B.A. +2 more
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Human visual cortex comprises 4-6. billion neurons that are organized into more than a dozen distinct functional areas. These areas include the gray matter in the occipital lobe and extend into the temporal and parietal lobes. The locations of these areas in the intact human cortex can be identified by measuring visual field maps.
Wandell, B.A. +2 more
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Current Opinion in Neurobiology, 2003
Neurons in mouse visual cortex have diverse receptive field properties and they respond selectively to specific features of visual stimuli. Owing to the lateral position of the eyes, only about a third of the visual cortex receives input from both eyes, but many cells in this region are binocular.
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Neurons in mouse visual cortex have diverse receptive field properties and they respond selectively to specific features of visual stimuli. Owing to the lateral position of the eyes, only about a third of the visual cortex receives input from both eyes, but many cells in this region are binocular.
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The Italian Journal of Neurological Sciences, 1984
A short analysis of the input-output organization of the primary visual cortical areas in the cat and monkey is followed by a description of the salient microelectrophysiological properties of retino-geniculo-cortical system neurons. It is concluded that a strict hierarchical model of cortical processing of visual information is no longer tenable.
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A short analysis of the input-output organization of the primary visual cortical areas in the cat and monkey is followed by a description of the salient microelectrophysiological properties of retino-geniculo-cortical system neurons. It is concluded that a strict hierarchical model of cortical processing of visual information is no longer tenable.
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2016
In order to understand the organization of visual spatial organization within the occipital cortex, it is necessary to review basic functional aspects of the retina and its projection to the lateral geniculate. Retinal photoreceptors actually hyperpolarize when light hits the 11-cis retinal molecule and induces molecular motion within the photoreceptor
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In order to understand the organization of visual spatial organization within the occipital cortex, it is necessary to review basic functional aspects of the retina and its projection to the lateral geniculate. Retinal photoreceptors actually hyperpolarize when light hits the 11-cis retinal molecule and induces molecular motion within the photoreceptor
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The Cerebral Cortex: Visual Cortex
Archives of Ophthalmology, 1986Brain structure involved in visual processing is examined in this new volume of The Cerebral Cortex . Ophthalmologists, particularly neuroophthalmologists, and visual scientists concerned with visual processing will benefit from this source book of detailed mammalian visual anatomy.
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Visual cortex efference to nonprimary cortex in the cat
Brain Research, 1971Abstract Evoked potentials and corresponding extracellular single cell activity were recorded in anterior middle suprasylvian gyrus upon stimulation of ipsilateral visual cortex with single pulses in chloralosed cats. Both a short and a long latency efference from visual cortex (VC) to anterior middle suprasylvian gyrus (AMSS) were observed.
John M. Orem, John M. Rhodes
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Is primary visual cortex necessary for visual awareness?
Trends in Neurosciences, 2014Influential models propose that conscious experience of extrastriate activity requires the integrity of primary visual cortex (V1). A new study challenges this view by demonstrating that when V1 is lesioned, visual qualia can be induced when transcranial magnetic stimulation (TMS) is applied over the patients' ipsilesional hemisphere.
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Archives of Ophthalmology, 1986
Models in biology tend to be informal. Usually, a model simply states a problem and organizes related scientific work. In Models of the Visual Cortex , problems in visual neuroscience are discussed in short, nonmathematical articles, with each one organized around a model.
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Models in biology tend to be informal. Usually, a model simply states a problem and organizes related scientific work. In Models of the Visual Cortex , problems in visual neuroscience are discussed in short, nonmathematical articles, with each one organized around a model.
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Science, 2010
Three distantly-related mammals share a brain architecture characterized by a density of ...
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Three distantly-related mammals share a brain architecture characterized by a density of ...
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