SURROUND
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89 Center-Surround Antagonism in Receptive Fields
The retinal ganglion cells have receptive fields that have a very basic organization, which resembles two concentric circles. This concentric receptive field structure is usually known as center-surround organization. On-center …See details»
Center-Surround Antagonism in Receptive Fields – …
Most neurons in the retina and thalamus have small receptive fields that have a very basic organization, which resembles two concentric circles. This concentric receptive field structure is usually known as center-surround organization. On …See details»
Antagonistic Center-Surround Mechanisms for …
May 5, 2020 Ankri et al. uncover a functional role for antagonistic center-surround receptive field organization in retinal direction selectivity. Stimulation of a starburst amacrine cell’s center and surround elicits temporally distinct …See details»
4.1 Center–Surround Receptive Field - YouTube
Sep 2, 2015 "Movie 4.1 Center–Surround Receptive Field" elucidates the receptive field of retinal ganglion cells, either OFF-center/ON-surround or ON-center/OFF-surround...See details»
Retinal ganglion cells and the magnocellular, parvocellular, and ...
Jan 1, 2021 The center-surround organization of retinal receptive fields is thought to be why humans are less sensitive to coarse patterns than finer patterns. Sensitivity and temporal …See details»
Lateral inhibition in the inner retina is important for spatial tuning ...
The center–surround receptive-field organization in retinal ganglion cells is widely believed to result mainly from lateral inhibition at the first synaptic level (in the outer retina).See details»
The Neural Basis of Centre-Surround Interactions in Visual Motion ...
Jul 29, 2011 The results of the psychophysical studies described above reflect modulation of neural activity at the population level, consistent with the existence of centre-surround …See details»
Circuit Mechanisms of a Retinal Ganglion Cell with
A canonical center-surround organization decorrelates responses of neighboring RGCs and enables them to report properties of the visual scene locally (i.e., occurring only in the receptive field center) . An exception is the M1 ipRGC, …See details»
Receptive Fields and Response Properties of Neurons in Layer 4 of ...
Two of the neurons have receptive fields with a center/surround organization, the remaining eight have elongated receptive fields with adjacent ON and OFF subregions (ON responses …See details»
The fundamental plan of the retina - Nature Neuroscience
Sep 1, 2001 This is the classical 'center–surround' organization, in which a ganglion cell is excited or inhibited by stimuli falling in its receptive field center, whereas stimulation of the …See details»
Classical center-surround receptive fields facilitate novel object ...
Sep 26, 2022 Antagonistic interactions between center and surround receptive field (RF) components lie at the heart of the computations performed in the visual system. Circularly …See details»
The Lateral Geniculate Nucleus - MIT OpenCourseWare
3. The receptive fields of RGCs have antagonistic center/surround organization. 4. of which are (a) the ON and OFF and (b) the Midget and Parasol. 5. ntal cells hyperpolarize to light. 6. …See details»
Foundations of Vision » Chapter 5: The Retinal Representation
Figure 4.14: The receptive field of mammalian retinal ganglion cells have a center-surround organization. In a small central region of the retina, light stimulation may excite or inhibit a …See details»
What is the essential benefit of center-surround organization of ...
Nov 27, 2016 Lets think about how center-surround organization would respond to this image. In the whole blank white space, white light is hitting both the center and the surround: these …See details»
Receptive field of the retinal ganglion cell - Medium
Feb 8, 2022 The receptive field of retinal ganglion cells has 2 features: center-surround organization & surround antagonism. In fact, both features are designed to enhance the …See details»
Receptive field - Wikipedia
The organization of ganglion cells' receptive fields, composed of inputs from many rods and cones, provides a way of detecting contrast, and is used for detecting objects' edges. [ 6 ] : …See details»
Receptive Fields of Visual Neurons: The Early Years
Jan 1, 2014 The Westheimer function (1967) enabled psychophysical measurements of the PF center and surround in human and monkey, which correlated closely with the underlying RF …See details»
Center/surround organization of retinal bipolar cells: High
Receptive field organization of cone-driven bipolar cells was investigated by intracellular recording in the intact light-adapted retina of the tiger salamander (Ambystoma tigrinum). Centered spots …See details»
The Relationship between an Organization and Its Environment
Understanding the environment that surrounds an organization is important to the executives in charge of the organizations. There are several reasons for this. First, the environment provides …See details»
Center surround receptive fields - YouTube
Aug 29, 2022 Retinal photoreceptors (rods) are often arranged in groups that function together. These are referred to as center-surround receptive fields and the key to u...See details»