Results 351 to 360 of about 2,848,264 (408)
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American Journal of EEG Technology, 1986
ABSTRACT.Our knowledge of the visual cortex has increased tremendously over the past ten years based on studies in subhuman primates. Over a dozen separate cortical visual areas have now been described in monkeys (Van Essen and Maunsell 1983). This paper will review our current understanding of the anatomy and physiology of the visual cortex in monkeys
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ABSTRACT.Our knowledge of the visual cortex has increased tremendously over the past ten years based on studies in subhuman primates. Over a dozen separate cortical visual areas have now been described in monkeys (Van Essen and Maunsell 1983). This paper will review our current understanding of the anatomy and physiology of the visual cortex in monkeys
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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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Visual discrimination in the absence of visual cortex
Behavioural Brain Research, 1987Normal rats and rats with devascularization lesions ranging from subtotal removals of striate cortex (Area 17) to complete removal of neocortex were trained in a horizontal/vertical stripe discrimination for a liquid reinforcer. Subgroups of animals were identified on the basis of size and location of lesion (with particular reference to striate cortex)
David A. Oakley, Laura H. Goldstein
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Primary visual cortex and visual awareness [PDF]
Nature Reviews Neuroscience, 2003 The primary visual cortex (V1) is probably the best characterized area of primate cortex, but whether this region contributes directly to conscious visual experience is controversial. Early neurophysiological and neuroimaging studies found that visual awareness was best correlated with neural activity in extrastriate visual areas, but recent studies ...
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Current Opinion in Neurobiology, 1993
The concept of visual association cortex derives from early myelogenetic studies, assorted cases of so-called visual agnosia and much philosophical speculation. A review of the evidence suggests that it is perhaps time to review our concept of the visual association cortex.
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The concept of visual association cortex derives from early myelogenetic studies, assorted cases of so-called visual agnosia and much philosophical speculation. A review of the evidence suggests that it is perhaps time to review our concept of the visual association cortex.
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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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Selective attention gates visual processing in the extrastriate cortex.
Science, 1985Single cells were recorded in the visual cortex of monkeys trained to attend to stimuli at one location in the visual field and ignore stimuli at another. When both locations were within the receptive field of a cell in prestriate area V4 or the inferior
J. Moran, R. Desimone
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Mnemonic coding of visual space in the monkey's dorsolateral prefrontal cortex.
Journal of Neurophysiology, 19891. An oculomotor delayed-response task was used to examine the spatial memory functions of neurons in primate prefrontal cortex. Monkeys were trained to fixate a central spot during a brief presentation (0.5 s) of a peripheral cue and throughout a ...
S. Funahashi, C. Bruce, P. Goldman-Rakic
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