Review Article
Ionotropic GABA Receptors and Distal Retinal ON and OFF Responses
Table 2
Effects of GABA and GABA antagonists on the light responses and centre-surround organization of the receptive fields of the ON and OFF bipolar cells.
| BCs type | Effects on light responses |
Effects on centre-surround organization | Species | References | GABA | GABAAR antagonists | GABACR antagonists |
| ON BCs | Decreased | Increased | Increased | Preserved | Mudpuppy | [177] | | Decreased | | Eliminated | Mudpuppy | [178] | Slight reduction | | | Eliminated | Xenopus | [179] | No effect | | | | Carp | [180] | | Increased* | | Rat | [181] |
| OFF BCs | Decreased | No effect | No effect | Preserved | Mudpuppy | [177] | | No effect | | | Mudpuppy | [178] | Decreased | | | Preserved | Xenopus | [179] | Decreased | | | | Carp | [180] | Decreased | Decreased | Decreased | Preserved | Tiger salamander | [182] | Decreased | | | Eliminated | Tiger salamander | [183] |
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Combined application of GABAA + GABAC antagonists.
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