visual cortex
Primary visual cortex neurons that contribute to resolve the aperture problem
... The activities of V1 neurons are not only determined by feed-forward inputs (reviewed in Gilbert, 1998; Lamme et al., 1998; Angelucci and Bullier, 2003; Lorenceau, 2003; Chisum and Fitzpatrick, 2004). In fact, only a ...
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Decoding working memory of stimulus contrast in early visual cortex
... of visual analysis (V1-V3) have focused on the properties of neurons that support processing of elemental features of a visual stimulus or scene, such as local contrast, orientation, or direction of ...
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Effect of CGRP and sumatriptan on the BOLD response in visual cortex
... board visual stimulation because it is a well validated, reproducible stimulation modality known to produce a large BOLD signal ...the visual cortex and that the selective anti-migraine drug, a 5-HT ...
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Form in Darkness: Linking Visual Cortex Structure With Spontaneous Neural Function
... within visual cortex is synchronized at varying spatial scales, from the cytoarchitecural level of individual neurons to the coarse scale of whole ...role visual experience plays in organizing the ...
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Medial Geniculate Projections to Auditory and Visual Cortex in Hearing and Deaf Cats
... to PLLS was observed in deaf cats (Kok et al., 2014). The current findings support this connectivity, with an increased MGB projection to PLLS, a visual cortical area. It is therefore possible that extraneous ...
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Effects of healthy aging on human primary visual cortex
... reduced visual acuity from changes in both the eye and neural circuits ...primary visual cortex has been shown to have reduced responses to visual stimulation ...affects visual field ...
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Remodeling of inhibitory synaptic connections in developing ferret visual cortex
... ferret visual cortex to map the patterns of inhibitory and excitatory inputs within layer 2/3 onto single neurons at different times during devel- ...
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A Survey of Architecture and Function of the Primary Visual Cortex (V1)
... largest visual area, known as the primary visual cortex or V1, has greatly contributed to the current understanding of mam- malian and human visual pathways and their role in visual ...
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Evidence for an optimal algorithm underlying signal combination in human visual cortex
... The predictions for this model are shown in Figure 2f. The model predicts almost equal responses for single (A, solid curve) and double (A+B, dashed curve) inputs, particularly at high contrasts. This happens because the ...
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Gamma Oscillations in the Mouse Primary Visual Cortex as an Endophenotype of Schizophrenia
... primary visual cortex (V1) in response to changes in stimulus ...The visual responses described here were readily abolished or became highly variable when the anesthesia level induced slow ...
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Structural and functional changes of the visual cortex in early Huntington’s disease
... cerebral cortex has been studied less extensively in ...after visual task stimulation, decreased functional connectivity at rest of the lingual and fusiform gyri, and occipital pole was found in manifest HD ...
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Functional organization of the monkey visual cortex for stereoscopic depth
... the visual areas of the m acaque m onkey visual cortex have been d eterm in ed by a n u m b er of tech n iq u es in clu d in g receptive field m apping (Zeki 1969; Van Essen and Zeki 1978), callosal ...
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Attentional modulation of oscillatory activity in human visual cortex
... human visual cortex were investigated using ...occipital cortex, with attention directed either toward or away from the stimulus using a bar-orientation judgment ...parieto-occipital cortex by ...
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Altered functional connectivity of primary visual cortex in late blindness
... Notes: (A) Distribution mean zFC pattern of right V1 in group-level of LB and SC subjects in the typical frequency band (0.01–0.1 Hz). (B) Intragroup patterns of zFC maps of right V1 between two groups. (C) Significant ...
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A neural model of contour integration in the primary visual cortex
... ceiving visual input via oriented receptive fields resembling those found in primary visual ...higher visual centers selectively to enhance or suppress sensitivities to given contours, effectively ...
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Lateral inhibition in visual cortex of migraine patients between attacks
... using visual illusions, a phenomenon attributed to a decrease in excitation from tonic pre-synaptic inputs [37,38], Shepherd et ...the visual cortex ...
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The development of human visual cortex and clinical implications
... age-related changes in human V1 interact with the spread- ing neurodegeneration caused by diseases like glaucoma. In contrast to the excitement from preclinical models, no new plasticity-based treatments have crossed the ...
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The Role of Functional MR Imaging in Patients with Ischemia in the Visual Cortex
... of visual field examinations. fMR showed de- creased activity in the visual cortices where infarc- tion was ...of visual field examination or conventional MR ...sual cortex where vascular ...
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The Foveal Confluence in Human Visual Cortex
... In a second model (Pin ˜on et al., 1998; Rosa et al., 2000; Rosa and Tweedale, 2000, 2005), V2, V3, and V4 each form a contin- uous band through the center of the foveal confluence (Fig. 1c). This scheme implies a ...
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Does congenital deafness affect the structural and functional architecture of primary visual cortex?
... peripheral visual acuity in congenitally deaf humans have found alterations in auditory cortex, as well as attention related areas in higher visual and parietal ...early visual areas between ...
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