On-center retinal ganglion cells are... Group of answer choices inhibited by light in the center excited by light in the surround excited by light in the center excited by uniform illumination
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These cells are a type of retinal ganglion cell that respond to light in a specific way, particularly in relation to the center and surround of their receptive fields. Show more…
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Under which condition would an ON ganglion cell have the lowest action potential firing rate? dark center and light surround light center and dark surround light center and light surround dark center and dark surround
Madhur L.
When light hits the center of an ON-center receptive field, which of the following processes occur: a. Photoreceptors release more glutamate; bipolar cells release more glutamate; retinal ganglion cells decrease the rate of APs. b. Photoreceptors release less glutamate; bipolar cells release less glutamate; retinal ganglion cells decrease the rate of APs. c. Photoreceptors release less glutamate; bipolar cells release more glutamate; retinal ganglion cells increase the rate of APs. d. Photoreceptors release more glutamate; bipolar cells release more glutamate; ganglion cells increase the rate of APs.
Adi S.
1. An OFF-center RG cell initially with no light on its receptive field has a plane of light move into part of its "surround" receptive field region. What happens to its firing rate? Optional Answers: 1. produces a modest increase in firing 2. produces no significant change in firing 3. produces a large increase in firing 4. it shuts off 2. A P-type retinal ganglion cell will typically have ___ receptive fields and will generate ___ responses when responding to light on in the center of its receptive field. Optional Answers: 1. small....sustained 2. large....sustained 3. small....transient 4. large....transient 3. When viewing a black/white grid, an ON-center retinal ganglion cell (RGC) that has its receptive field entirely within the retinal patch of a white square will be MORE STRONGLY ACTIVATED than an RGC on a retinal patch that spans the border a white and dar Optional Answers: 1. True 2. False
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