[PDF] Top 20 Pre-attentive segmentation in the primary visual cortex
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Pre-attentive segmentation in the primary visual cortex
... of visual processing, individual neurons respond directly only to stimuli in their classical receptive fields (CRFs)(Hubel and Wiesel, ...cover visual objects at a global ...of primary cortical (V1) ... See full document
27
Primary visual cortex neurons that contribute to resolve the aperture problem
... In this framework, V1 neurons are simply local spatio- temporal filters, extracting local motion measurements and transmitting them to higher visual areas for further pro- cessing. They inevitably suffer the ... See full document
10
Gamma Oscillations in the Mouse Primary Visual Cortex as an Endophenotype of Schizophrenia
... the visual response in the broadband LFP ...rodent primary visual (Heynen and Bear, 2001; Niell and Stryker, 2008) and auditory cortex (Szymanski et ... See full document
154
Tilt Aftereffects in a Self-Organizing Model of the Primary Visual Cortex
... The inhibition hypothesis has recently been incorporated into theories of the larger purpose and function of the cortex. Barlow (1990) and F¨oldi´ak (1990) have proposed that the early cortical regions are acting ... See full document
18
Plasticity, and Its Limits, in Adult Human Primary Visual Cortex
... deafferented cortex to processing retinal inputs that are still ...optimizing visual processing in the context of the preceding stimulus history ...with visual neuroplasticity in the form ... See full document
16
<p>Dopaminergic pathway and primary visual cortex are involved in the freezing of gait in Parkinson’s disease: a PET-CT study</p>
... The [ 18 F]-DTBZ radiotracer ( 18 F-AV133) was prepared from aqueous [ 18 F]- fl uoride. Brain scans were acquired over an approximately 20-min period, 120 min after injec- tion of approximately 250 MBq of 18 F-AV133. ... See full document
10
A Survey of Architecture and Function of the Primary Visual Cortex (V1)
... Multirate filter-bank structures are brutally efficient de- vices for performing orthogonal image decompositions, be- cause of their close alliance with digital filtering. However, despite the early and good successes in ... See full document
17
Altered functional connectivity of primary visual cortex in late blindness
... To the best of our knowledge, the RSFC method used in this study provides a novel tool to assess correlation coefficients of BOLD signal time course between different brain regions. Our study was the first to investigate ... See full document
11
Uncomfortable images produce non sparse responses in a model of primary visual cortex
... accurate model of simple cells in cortical area V1. Field [4] calculated the responses of populations of these model neurons to the raw information present in natural images and to a model population of retinal neurons. ... See full document
8
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 ... See full document
20
The context dependence of network response properties in the primary visual cortex of the primate and cat
... a visual stimulus, the resulting peak is indicative of synchronisation due to a simultaneous stimulus response that is not synaptically synchronised, these peaks thus describe 'stimulus co-ordinated' ... See full document
287
Does Decision-Making during Gambling Involve Primary Roles for the Pre-Frontal Cortex and Anterior Cingulate Cortex
... The GDT [8] is a gambling task in which - unlike in the IGT - the rules for both gains and losses are explicit, as are the winning probabilities throughout the entire task. This explicit knowledge of the probabilities ... See full document
9
MR Imaging of the Human Brain at 1 5 T: Regional Variations in Transverse Relaxation Rates in the Cerebral Cortex
... sular cortex on fast fluid-attenuated inversion re- covery imaging observed by Hirai et al (18) and decreases in signal intensity in the primary auditory cortex observed by Yoshiura et al ...at ... See full document
6
<p>Altered Intrinsic Functional Connectivity of the Primary Visual Cortex in Patients with Neovascular Glaucoma: A Resting-State Functional Magnetic Resonance Imaging Study</p>
... Results: FC in the left V1 and right fusiform gyrus, bilateral cuneus, and left precuneus was signi fi cantly decreased in the NVG group compared with that reported in the HC group. Meanwhile, patients with NVG presented ... See full document
9
A neural model of contour integration in the primary visual cortex
... higher visual areas to feed back and selectively enhance or suppress activities for given contours, and even to achieve a crude form of contour segmenta- ... See full document
38
A V1 model of pop out and asymmetry in visual search
... using exatly the same model parameters as those used in examples of visual searh. It is not too surprising that a model of pre-attentive segmentation in V1 an ex-[r] ... See full document
7
Anterograde, transneuronal transport of herpes simplex virus type 1 strain H129 in the murine visual system.
... the visual system, a system with well-described neuronal ...known primary targets of the retina, including those in the thalamus ...the primary visual cortex (layer 4 of area 17) via ... See full document
9
Retinotopic mapping of the primary visual cortex - a challenge for MEG imaging of the human cortex
... Although this is, to our knowledge, the first study to attempt to retinotopically map visually-induced gamma oscillations, a number of previous MEG studies have attempted retinotopic mapping of V1 using visually evoked ... See full document
10
Visual segmentation without classification in a model of the primary visual cortex
... [r] ... See full document
8
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