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  • What explains the characteristics of the receptive fields of . . .
    Center-surround receptive field in a retinal ganglion cell source: Pinterest In the primary visual cortex , the simple cells receive inputs from multiple LGN neurons (Fig 2) By combining these inputs and aligning them with multiple ON-centers and OFF-surrounds in series (or vice versa ) orientation-selectivity is accomplished in V1
  • What is the location of the center-surround receptive fields of . . .
    The receptive field is often identified as the region of the retina where the action of light alters the firing of the neuron In retinal ganglion cells (see below), this area of the retina would encompass all the photoreceptors, all the rods
  • neuroscience - Extra-classical receptive fields are surprising . . .
    This portion of the visual field is known as the classical receptive field It turns out that V1 neurons can be influenced by stimuli outside their classical receptive field Unlike "end-stopping" in retinal ganglion neurons, this cannot be explained by hyperpolarizing input at the periphery of the receptive field, because the stimulus causing the end stopping is not in its receptive field in
  • vision - Are the receptive fields of bipolar and retinal ganglion . . .
    The (visual) receptive field of a neuron is the relation between the light that falls on the retina and the change in activity of that neuron, regardless of what happens in between the light and the neuron Therefore, RGC, LGN, V1, or
  • Are centre-surround antagonism and lateral inhibition synonyms?
    The two are similar in some ways, but most definitely different in reality Presenting stimuli near the periphery of a sensory neuron's receptive field (RF) can indeed lead to inhibit its activity (i e reduce its action potential discharge rate) through both of these mechanisms, but the mechanisms operate differently
  • neuroscience - Is there knowledge of the receptive field . . .
    Visual receptive fields and retinotopy are generally well-preserved in the periphery and subcortical areas (e g in the retina, optic nerve and the LGN in the brainstem) and lower cortical areas (e g , V1 and V2) (e g , )
  • Doubt about zero-crossings detection in the visual system
    I'm currently reading the excellent book quot;Vision quot; by David Marr In chapter 2 2 (ZERO-CROSSINGS AND THE RAW PRIMAL SKETCH), he explains a possible model for the physiological detection of
  • neuroscience - Is there any evidence for or against the . . .
    Yes there is evidence of the encoding of surface slant in the visual field Disparity-Based Coding of Three-Dimensional Surface Orientation by Macaque Middle Temporal Neurons We now show that MT contains robust, disparity-based signals regarding the 3-D orientation (tilt and slant) of planar surfaces


















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