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Much work has described patterns of spiking in retinal ganglion cells (RGCs) in response to electrical stimulation, but less work has examined the underlying retinal circuitry that is activated by electrical stimulation to drive these responses. Surprisingly, little is known about the role of inhibition in generating electrical responses or how inhibition might be altered during degeneration. Using whole-cell voltage\u2013clamp recordings during subretinal electrical stimulation in the<jats:italic>rd10<\/jats:italic>and wild-type (<jats:italic>wt<\/jats:italic>) retina, we found electrically evoked synaptic inputs differed between ON and OFF RGC populations, with ON cells receiving mostly excitation and OFF cells receiving mostly inhibition and very little excitation. We found that the inhibition of OFF bipolar cells limits excitation in OFF RGCs, and a majority of both pre- and postsynaptic inhibition in the OFF pathway arises from glycinergic amacrine cells, and the stimulation of the ON pathway contributes to inhibitory inputs to the RGC. We also show that this presynaptic inhibition in the OFF pathway is greater in the<jats:italic>rd10<\/jats:italic>retina, compared with that in the<jats:italic>wt<\/jats:italic>retina.<\/jats:p>","DOI":"10.1523\/eneuro.0110-24.2024","type":"journal-article","created":{"date-parts":[[2024,5,6]],"date-time":"2024-05-06T17:50:32Z","timestamp":1715017832000},"page":"ENEURO.0110-24.2024","source":"Crossref","is-referenced-by-count":14,"title":["Asymmetric Activation of ON and OFF Pathways in the Degenerated Retina"],"prefix":"10.1523","volume":"11","author":[{"given":"Maya","family":"Carleton","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6972-0741","authenticated-orcid":false,"given":"Nicholas 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