منابع مشابه
Curvature processing dynamics in macaque area V4.
We have previously analyzed shape processing dynamics in macaque monkey posterior inferotemporal cortex (PIT). We described how early PIT responses to individual contour fragments evolve into tuning for multifragment shape configurations. Here, we analyzed curvature processing dynamics in area V4, which provides feedforward inputs to PIT. We contrasted 2 hypotheses: 1) that V4 curvature tuning ...
متن کاملRAPID COMMUNICATION Form Processing Modules in Primate Area V4
Ghose, Geoffrey M. and Daniel Y. Ts’o. Form processing modcaca fascicularis were anesthetized by continuous intravenous infusion of sufentanil citrate (3–8 mgrkgrh) , paralyzed (vercules in primate area V4. J. Neurophysiol. 77: 2191–2196, 1997. Area V4 occupies a central position among the areas of the primate uronium bromide, 100 mgrkgrh) , and artificially respirated. The level of anesthesia ...
متن کاملStimulus dependence of disparity coding in primate visual area V4.
Disparity tuning in visual cortex has been shown using a variety of stimulus types that contain stereoscopic depth cues. It is not known whether different stimuli yield similar disparity tuning curves. We studied whether cells in visual area V4 of the macaque show similar disparity tuning profiles when the same set of disparity values were tested using bars or dynamic random dot stereograms, wh...
متن کاملTwo distinct types of remapping in primate cortical area V4
Visual neurons typically receive information from a limited portion of the retina, and such receptive fields are a key organizing principle for much of visual cortex. At the same time, there is strong evidence that receptive fields transiently shift around the time of saccades. The nature of the shift is controversial: Previous studies have found shifts consistent with a role for perceptual con...
متن کاملShape encoding consistency across colors in primate V4.
Neurons in primate cortical area V4 are sensitive to the form and color of visual stimuli. To determine whether form selectivity remains consistent across colors, we studied the responses of single V4 neurons in awake monkeys to a set of two-dimensional shapes presented in two different colors. For each neuron, we chose two colors that were visually distinct and that evoked reliable and differe...
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ژورنال
عنوان ژورنال: eLife
سال: 2020
ISSN: 2050-084X
DOI: 10.7554/elife.57502