Document
... provides the main input to cortical motion processing. In contrast, color is assumed to result from distributed cortical processing and is only weakly represented in cortical motion centers. The question we ask is whether and how dimensional attention may select chromatic signals to drive saccadic o ...
... provides the main input to cortical motion processing. In contrast, color is assumed to result from distributed cortical processing and is only weakly represented in cortical motion centers. The question we ask is whether and how dimensional attention may select chromatic signals to drive saccadic o ...
The cortical visual area V6: brain location and visual topography
... (Fig. 5B±D), in the lateral part of the posterior bank of POS (Fig. 5D and E), and in the dorsal wall of the medial parieto-occipital sulcus (POM; Fig. 5B±D). Thus, area V6 occupies a `C'-shaped belt of cortex orientated in the brain in a coronal plane. The upper branch of this `C'-shaped belt of co ...
... (Fig. 5B±D), in the lateral part of the posterior bank of POS (Fig. 5D and E), and in the dorsal wall of the medial parieto-occipital sulcus (POM; Fig. 5B±D). Thus, area V6 occupies a `C'-shaped belt of cortex orientated in the brain in a coronal plane. The upper branch of this `C'-shaped belt of co ...
Models and Measurements of Functional Maps in V1
... from single-unit studies that individual neurons are preferentially sensitive to a small set of stimulus features and that neuronal sensitivity to these features varies across the cortical sheet within a visual area (Hubel and Wiesel 1962). Over the last 20 years, optical imaging has allowed the act ...
... from single-unit studies that individual neurons are preferentially sensitive to a small set of stimulus features and that neuronal sensitivity to these features varies across the cortical sheet within a visual area (Hubel and Wiesel 1962). Over the last 20 years, optical imaging has allowed the act ...
The Control of Voluntary Eye Movements: New Perspectives
... voluntary eye movements. Although several regions have been implicated in the control of eye movements, two areas are especially well understood: the VPF and the midline oculomotor vermis. Output neurons in the VPF project directly to oculomotor nuclei in the brain stem, whereas in the vermis, outpu ...
... voluntary eye movements. Although several regions have been implicated in the control of eye movements, two areas are especially well understood: the VPF and the midline oculomotor vermis. Output neurons in the VPF project directly to oculomotor nuclei in the brain stem, whereas in the vermis, outpu ...
Selective attention through selective neuronal synchronization
... processing stages in visual cortex. Neurons at the highest visual processing stage in IT cortex have receptive fields that span much of a visual field and respond selectively to complex objects composed of simpler visual features. Part of this selectivity arises from their broad and convergent anato ...
... processing stages in visual cortex. Neurons at the highest visual processing stage in IT cortex have receptive fields that span much of a visual field and respond selectively to complex objects composed of simpler visual features. Part of this selectivity arises from their broad and convergent anato ...
connect_review_20150316 - Royal Holloway, University of London
... stream) and for object recognition (ventral stream). Many category-sensitive areas appear associated with the ventral stream, including the well-studied fusiform face area (FFA) in the fusiform gyrus (Kanwisher et al., 1997). FFA responds more to faces than non-face objects, as do areas in the ventr ...
... stream) and for object recognition (ventral stream). Many category-sensitive areas appear associated with the ventral stream, including the well-studied fusiform face area (FFA) in the fusiform gyrus (Kanwisher et al., 1997). FFA responds more to faces than non-face objects, as do areas in the ventr ...
LINKING PROPOSITIONS*
... What is the place and value of sensory reports in the testing of physiological hypotheses? He formulated the argument that phenomenal terms and physiological terms are from different realms of discourse, and that, if terms from the two different realms were to be used together in a single sentence, ...
... What is the place and value of sensory reports in the testing of physiological hypotheses? He formulated the argument that phenomenal terms and physiological terms are from different realms of discourse, and that, if terms from the two different realms were to be used together in a single sentence, ...
Functional Properties of Parietal Visual Neurons: Mechanisms of
... was begun. It consisted of visual stimuli moving in randomly sequenced trials in each of 8 directions at 60” or 90Vsec along meridians 100” long, evenly distributed in the frontoparallel plane, i.e., around the point of fixation. Control classes were also given, one without visual stimulation and an ...
... was begun. It consisted of visual stimuli moving in randomly sequenced trials in each of 8 directions at 60” or 90Vsec along meridians 100” long, evenly distributed in the frontoparallel plane, i.e., around the point of fixation. Control classes were also given, one without visual stimulation and an ...
Position Selectivity in Scene- and Object-Responsive
... Functional images were corrected for differences in slice timing by resampling slices in time to match the first slice of each volume, realigned with respect to the first image of the scan, spatially normalized to the Montreal Neurological Institute (MNI) template, and spatially smoothed with an 8-m ...
... Functional images were corrected for differences in slice timing by resampling slices in time to match the first slice of each volume, realigned with respect to the first image of the scan, spatially normalized to the Montreal Neurological Institute (MNI) template, and spatially smoothed with an 8-m ...
Contrasting early visual cortical activation states causally involved in
... At the neural level, there is evidence that working memory is mediated by the same neural mechanisms that process the sensory information being retrieved [see the ‘sensory recruitment’ model of working memory (Awh & Jonides, 2001; D’Esposito, 2007; Serences et al., 2009)]. In a very recent functiona ...
... At the neural level, there is evidence that working memory is mediated by the same neural mechanisms that process the sensory information being retrieved [see the ‘sensory recruitment’ model of working memory (Awh & Jonides, 2001; D’Esposito, 2007; Serences et al., 2009)]. In a very recent functiona ...
Visual Stimulation Regulates the Expression of Transcription Factors
... Canada (NSERC) to A.C. L.K. was supported by Visiting ...
... Canada (NSERC) to A.C. L.K. was supported by Visiting ...
Alterations to multisensory and unisensory integration by stimulus
... was positioned on a microdrive stage and lowered into the SC. After reaching the superficial layers of the SC, the electrode was advanced with the hydraulic microdrive while monitoring neural activity and presenting search stimuli. Single neuron activity was recorded, amplified, and then sent to an ...
... was positioned on a microdrive stage and lowered into the SC. After reaching the superficial layers of the SC, the electrode was advanced with the hydraulic microdrive while monitoring neural activity and presenting search stimuli. Single neuron activity was recorded, amplified, and then sent to an ...
the functional properties of the light
... lobule is a higher order processing area of the visual system, for it is known to receive convergent inputs from both the geniculostriate and the collicular portions of the visual system. The striate and the prestriate areas are believed to project upon the inferior parietal lobule over a multiple-s ...
... lobule is a higher order processing area of the visual system, for it is known to receive convergent inputs from both the geniculostriate and the collicular portions of the visual system. The striate and the prestriate areas are believed to project upon the inferior parietal lobule over a multiple-s ...
Multisensory anatomical pathways - Centre de Recherche Cerveau
... occur is probably reflecting an adaptive mechanism by which individual perceptual or sensory-motor situations involve a specific multisensory network. We describe in this review connections in the brain that may represent the support for early multisensory integration, such as cortico-cortical connect ...
... occur is probably reflecting an adaptive mechanism by which individual perceptual or sensory-motor situations involve a specific multisensory network. We describe in this review connections in the brain that may represent the support for early multisensory integration, such as cortico-cortical connect ...
do simultaneously presented visual and auditory
... attention. In two conditions, participants were presented with auditory and visual stimuli that conveyed the same information (consistent), but they were instructed to attend to either the auditory or the visual stimulus. In the other two conditions, the auditory and visual stimuli conveyed differen ...
... attention. In two conditions, participants were presented with auditory and visual stimuli that conveyed the same information (consistent), but they were instructed to attend to either the auditory or the visual stimulus. In the other two conditions, the auditory and visual stimuli conveyed differen ...
Two Critical and Functionally Distinct Stages of Face and Body Perception
... Cortical regions that respond preferentially to particular object categories, such as faces and bodies, are essential for visual perception of these object categories. However, precisely when these regions play a causal role in recognition of their preferred categories is unclear. Here we addressed ...
... Cortical regions that respond preferentially to particular object categories, such as faces and bodies, are essential for visual perception of these object categories. However, precisely when these regions play a causal role in recognition of their preferred categories is unclear. Here we addressed ...
Proteus: Visual Analogy in Problem Solving
... the source to the target. In general, analogy involves several subtasks including retrieving from memory the source case most similar to the target problem, mapping (or aligning) the the elements of target and the source, transferring knowledge from the source to the target, evaluating what was tra ...
... the source to the target. In general, analogy involves several subtasks including retrieving from memory the source case most similar to the target problem, mapping (or aligning) the the elements of target and the source, transferring knowledge from the source to the target, evaluating what was tra ...
Enhanced Perceptual Functioning in Autism
... Third, we had been influenced by Minshew’s (Minshew & Goldstein, 1993; Minshew, Goldstein, & Siegel, 1995, 1997) proposition that complexity may represent a way to account both for the level of impaired operations, and for their cross-modal aspect. ...
... Third, we had been influenced by Minshew’s (Minshew & Goldstein, 1993; Minshew, Goldstein, & Siegel, 1995, 1997) proposition that complexity may represent a way to account both for the level of impaired operations, and for their cross-modal aspect. ...
NEUROTRANSMITTER SYSTEMS IN THE VISUAL CORTEX OF
... their visual responses. The highest proportion of cells completely blocked by KYNA was found in layer IV ab, IV c and the upper part of layer VI whereas most of the cells in the other layers were incompletely suppressed or not suppressed at all. Since the primary geniculocortical afferents project m ...
... their visual responses. The highest proportion of cells completely blocked by KYNA was found in layer IV ab, IV c and the upper part of layer VI whereas most of the cells in the other layers were incompletely suppressed or not suppressed at all. Since the primary geniculocortical afferents project m ...
Form representation in monkey inferotemporal cortex is virtually
... activity in the inferotemporal cerebral cortex (IT)1,2, but most studies of IT neuronal responses have been done under restricted viewing and task conditions. Typically, non-human primates stare at a fixation point while isolated stimuli are flashed on the retina, often in a task that does not requi ...
... activity in the inferotemporal cerebral cortex (IT)1,2, but most studies of IT neuronal responses have been done under restricted viewing and task conditions. Typically, non-human primates stare at a fixation point while isolated stimuli are flashed on the retina, often in a task that does not requi ...
gross_neuroanatomy-1
... Precuneus is one of the most relevant nodes of the “default mode network” a set of brain regions that exhibit high metabolic consumption and it seems to be associated with conscious processing of stimuli and awareness ...
... Precuneus is one of the most relevant nodes of the “default mode network” a set of brain regions that exhibit high metabolic consumption and it seems to be associated with conscious processing of stimuli and awareness ...
Contextual modulation and stimulus selectivity in extrastriate cortex
... mechanisms in the early visual system. These circuits are thought to generate feature selectivity in part by repeatedly filtering and pooling feedforward inputs. For example, a V1 neuron could develop orientation tuning by selectively pooling the outputs of several circular LGN receptive fields (Hubel ...
... mechanisms in the early visual system. These circuits are thought to generate feature selectivity in part by repeatedly filtering and pooling feedforward inputs. For example, a V1 neuron could develop orientation tuning by selectively pooling the outputs of several circular LGN receptive fields (Hubel ...
Signals Conveyed in the Pulvinar Pathway from Superior Colliculus
... saccade-related events (Hikosaka and Wurtz, 1983). In this task, trials also began with a 100 –500 ms period of initial fixation. A visual target then appeared briefly in the periphery. The target was on for either 50 or 300 ms (this difference in duration was irrelevant for analysis of saccaderelat ...
... saccade-related events (Hikosaka and Wurtz, 1983). In this task, trials also began with a 100 –500 ms period of initial fixation. A visual target then appeared briefly in the periphery. The target was on for either 50 or 300 ms (this difference in duration was irrelevant for analysis of saccaderelat ...