Feedback from Horizontal Cells to Rod Photoreceptors in Vertebrate Retina

• Published in: The Journal of neuroscience Vol. 28; no. 22; pp. 5691 - 5695
• Main Authors: Thoreson, Wallace B, Babai, Norbert, Bartoletti, Theodore M
• Format: Journal Article
• Language: English
• Published: United States Soc Neuroscience 28.05.2008; Society for Neuroscience
• Subjects: Animals; Brief Communications; Caudata; Computer Simulation; Dose-Response Relationship, Radiation; Electric Stimulation - methods; Excitatory Amino Acid Antagonists - pharmacology; Feedback - physiology; HEPES - pharmacology; In Vitro Techniques; Kynurenic Acid - pharmacology; Membrane Potentials - drug effects; Membrane Potentials - physiology; Membrane Potentials - radiation effects; Models, Neurological; Patch-Clamp Techniques; Photic Stimulation - methods; Retina - cytology; Retinal Horizontal Cells - physiology; Retinal Rod Photoreceptor Cells - physiology; Urodela

Retinal horizontal cells (HCs) provide negative feedback to cones, but, largely because annular illumination fails to evoke a depolarizing response in rods, it is widely believed that there is no feedback from HCs to rods. However, feedback from HCs to cones involves small changes in the calcium cur...