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Visual cortex: cartography, connectivity, and concurrent processing
1992
Current Opinion in Neurobiology
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The mammalian visual cortex contains a complex mosaic of areas that are richly connected with one another. ...
Recent progress has advanced our understanding of both macroscopic and microscopic aspects of cortical organization, and of information flow within and between functionally specialized processing streams ...
One possible anatomical substrate for these surround effects is the long-range horizontal connectivity intrinsic to each cortical area. ...
doi:10.1016/0959-4388(92)90003-4
pmid:1638145
fatcat:32hgh6nlljfknmhte3e33kawru
Cortical and subcortical connections of V1 and V2 in early postnatal macaque monkeys
2011
Journal of Comparative Neurology
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Connections of primary (V1) and secondary (V2) visual areas were revealed in macaque monkeys ranging in age from 2 to 16 weeks by injecting small amounts of cholera toxin subunit B (CTB). ...
Injections into V1 in 4-and 8-week-old monkeys labeled neurons in V2, V3, middle temporal area (MT), and dorsolateral area (DL)/V4. ...
Assuming that horizontal/intrinsic projections account for RF surround suppressive characteristics (Gilbert et al., 1996) , and far RF surround suppressive characteristics reflect feedback connections ...
doi:10.1002/cne.22732
pmid:21800316
pmcid:PMC3673566
fatcat:245yqqdtnbawrhaujfmw37x3ya
The Distribution of Callosal Connections Correlates with the Pattern of Cytochrome Oxidase Stripes in Visual Area V2 of Macaque Monkeys
1996
Cerebral Cortex
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Dehay C, Kennedy H, Bullier J, Berland M (1988) Absence of interhemispheric connections of area 17 during development in the monkey. Nature 331:348-350. ...
Desimone R, Moran J, Schein SJ, Mishkin M (1993) A role for the corpus callosum in visual area V4 of the macaque. Vis Neurosci 10:159-171. ...
In V4, callosal connections have been implicated in the creation of wavelength selective, suppressive surrounds that extend across the vertical meridian of the visual field (Desimone et aL, 1993) . ...
doi:10.1093/cercor/6.4.631
pmid:8670688
fatcat:3rj7w5ujxnd3vcf7nr7gessxhi
Page 3280 of The Journal of Neuroscience Vol. 20, Issue 9
[page]
2000
The Journal of Neuroscience
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Nakamura H, Gattass R, Desimone R, Ungerleider LG (1993) The mod- ular organization of projections from area V1 and area V2 to area V4 and TEO in macaques. J Neurosci 13:3681-3691. ...
Raiguel S, Van Hulle MM, Xiao DK, Marcar VL, Orban GA (1995) Shape and spatial distribution of receptive fields and antagonistic motion surrounds in the middle temporal area (V5) of the macaque. ...
Page 1709 of The Journal of Neuroscience Vol. 21, Issue 5
[page]
2001
The Journal of Neuroscience
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Merigan W (1996) Basic visual capacities and shape discrimination after lesions of extrastriate area V4 in macaques. Vis Neurosci 13:51—60. ...
., March 1, 2001, 27(5):1698-1709 1709
DeWeerd P, Desimone R, Ungerleider LG (1996) Cue-dependent defi- cits in grating orientation discrimination after V4 lesions in macaques. ...
Disparity Context Processing in the Primate Brain: And If the Question was Both ?What? and ?When??
2011
Frontiers in Human Neuroscience
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In monkeys, a recent study (Verhoef et al., 2011) used functional connectivity to demonstrate that areas IT and AIP are communicating during 3D-shape perception. ...
These results are different from those obtained in macaque ventral area V4 (Umeda et al., 2007) . ...
doi:10.3389/fnhum.2011.00152
pmid:22144957
pmcid:PMC3228258
fatcat:zs3smxp25ngyzcavgyshnbnuei
Intrinsic lattice connections of macaque monkey visual cortical area V4
1992
Journal of Neuroscience
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In parallel studies we have been comparing biocytin-labeled intrinsic connectivity patterns in macaque areas V 1, V2, and V4. ...
They found that the suppressive surround of a V4 cell is tuned to the same wavelength as the receptive field itself; that is, maximal suppression occurred when the stimulus wavelength in the surround matched ...
doi:10.1523/jneurosci.12-07-02785.1992
pmid:1377236
fatcat:s2ow5j44izdkpcclqc275xazwq
Rhythmic neural spiking and attentional sampling arising from cortical receptive field interactions
[article]
2018
bioRxiv
pre-print
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Here we show using array recordings in visual cortical area V4 of two awake macaques that presenting separate visual stimuli to the excitatory center and suppressive surround of neuronal receptive fields ...
RTs were fast or slow depending on the target occurrence during high or low MUA, resulting in rhythmic MUA-RT cross-correlations at at theta frequencies. ...
Here we show using array recordings in visual cortical area V4 of two awake macaques that presenting separate visual stimuli to the excitatory center and suppressive surround of neuronal receptive fields ...
doi:10.1101/252130
fatcat:pyyvzu5vcjf2vktjhngtpwct5i
Selective Tuning for Contrast in Macaque Area V4
2013
Journal of Neuroscience
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Here we report the first evidence of the existence of neurons showing selective tuning for contrast in area V4d of the behaving macaque (Macaca mulatta), i.e., narrow bandpass filter neurons with peak ...
Selective tuning for luminance contrast might support multiple functions, including contrast identification and the attentive selection of low contrast stimuli. ...
macaque area V4. ...
doi:10.1523/jneurosci.3465-13.2013
pmid:24259580
pmcid:PMC6618802
fatcat:ht5p56by5ndmtmwyxuznhoreci
Spectral properties of V4 neurons in the macaque
1990
Journal of Neuroscience
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In this respect, V4 cells in the macaque resemble cells in area DL of the owl monkey (Baker et al., 198 l) , a region that may be homologous with V4 in the macaque. ...
Area V4 has been the subject of more interest-and more controversy-than probably any visual area in extrastriate cortex of the macaque. ...
doi:10.1523/jneurosci.10-10-03369.1990
pmid:2213146
fatcat:fkeh7fjstjhbxdg7274dyj66gi
Visual attention as a multilevel selection process
2004
Cognitive, Affective, & Behavioral Neuroscience
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Second, areas at intermediate cortical-processing levels, such as V4 and TEO, appear to be important sites at which attention filters out unwanted information by means of receptive field mechanisms. ...
that are transmitted via feedback connections to the visual system. ...
The reduced suppressive interactions in V4 and TEO during directed attention were similar in magnitude to the suppressive interactions obtained in area V2 in the unattended condition. ...
doi:10.3758/cabn.4.4.483
pmid:15849892
fatcat:p2qz43f3wjhurd5wrzczivblui
ATTENTIONAL MODULATION OF VISUAL PROCESSING
2004
Annual Review of Neuroscience
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behavioral level and among neurons in area V4, where endogenously generated attention increases contrast sensitivity. ...
I Abstract Single-unit recording studies in the macaque have carefully documented the modulatory effects of attention on the response properties of visual cortical neurons. ...
Cavanaugh et al. (2002a) in area V1 of the anesthetized macaque. ...
doi:10.1146/annurev.neuro.26.041002.131039
pmid:15217345
fatcat:kcr5w7lzgray7e3w3vmcsnj73q
PERCEPTUAL SUPPRESSION REVEALED BY ADAPTIVE MULTI-SCALE ENTROPY ANALYSIS OF LOCAL FIELD POTENTIAL IN MONKEY VISUAL CORTEX
2013
International Journal of Neural Systems
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of asynchrony or dissimilarity during perceptual suppression, indicating a decreased functional connectivity between cortical areas. ...
In this study, we set forth to analyze the LFP data collected from multiple visual areas in V1, V2 and V4 of macaque monkeys while performing the GFS task using a nonlinear method -adaptive multi-scale ...
Melanie Wilke for providing the data, which were collected at the laboratory of Dr Nikos Logothetis at Max Planck Institute for Biological Cybernetics in Germany. ...
doi:10.1142/s0129065713500056
pmid:23578055
fatcat:bgeqrd57krbmhdhewajdka2fmu
Stimulus Specific Responses from Beyond the Classical Receptive Field: Neurophysiological Mechanisms for Local-Global Comparisons in Visual Neurons
1985
Annual Review of Neuroscience
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Zeki (1983a,b) reported two types of neurons in macaque V4: wave-length selective and colorcoded. ...
Recent recordings from neurons in the V4 complex in macaque monkeys have revealed broad surround regions tuned for orientation, spatial frequency, and color (Desimone et al 1984, R. Desimone and S. ...
doi:10.1146/annurev.neuro.8.1.407
fatcat:6jdphmstkjaqbctcnlgfp7zoua
Stimulus Specific Responses from Beyond the Classical Receptive Field: Neurophysiological Mechanisms for Local-Global Comparisons in Visual Neurons
1985
Annual Review of Neuroscience
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Zeki (1983a,b) reported two types of neurons in macaque V4: wave-length selective and colorcoded. ...
Recent recordings from neurons in the V4 complex in macaque monkeys have revealed broad surround regions tuned for orientation, spatial frequency, and color (Desimone et al 1984, R. Desimone and S. ...
doi:10.1146/annurev.ne.08.030185.002203
pmid:3885829
fatcat:oluwmdip75fr3ntrl2hv42fqta
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