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The responses of most retinal ganglion cells are transient because bipolar-to-ganglion cell transmission is truncated after 150 msec by a feedback inhibition to bipolar cell terminals from GABAergic amacrine cells; the feedback inhibition itself must be delayed by approximately 150 msec to allow the initial bipolar-ganglion cell transmission. One source of the delay appears to be glycinergic amacrine cells to GABAergic amacrine cells to bipolar cell terminals. Results suggest that, after a light flash, a population of glycinergic amacrine cells responds first, inhibiting a population of GABAergic amacrine cells for approximately 150 msec. The GABAergic amacrine cells feed back to bipolar terminals, only after the 150 msec delay, thus allowing the bipolar terminals to excite ganglion cells for the first 150 msec.
  • Roska B, Nemeth E, Werblin FS (1998) Show Other
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Other categories referring to The responses of most retinal ganglion cells are transient because bipolar-to-ganglion cell transmission is truncated after 150 msec by a feedback inhibition to bipolar cell terminals from GABAergic amacrine cells; the feedback inhibition itself must be delayed by approximately 150 msec to allow the initial bipolar-ganglion cell transmission. One source of the delay appears to be glycinergic amacrine cells to GABAergic amacrine cells to bipolar cell terminals. Results suggest that, after a light flash, a population of glycinergic amacrine cells responds first, inhibiting a population of GABAergic amacrine cells for approximately 150 msec. The GABAergic amacrine cells feed back to bipolar terminals, only after the 150 msec delay, thus allowing the bipolar terminals to excite ganglion cells for the first 150 msec.
Neuronal Receptors.Publication facts   (1)
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