Classification of reversal responsive cells by stimulus polaritya
| Reversal responsive | Dark bar | Bright bar | Both | Independent | |
|---|---|---|---|---|---|
| Fast OFF | 110 | 36 (33%) | 69 (63%) | 15 | 22.6 |
| Medium OFF | 19 | 4 (21%) | 9 (47%) | 1 | 1.9 |
| Slow OFF | 6 | 0 | 2 (33%) | 0 | 0 |
| Fast ON | 21 | 9 (43%) | 8 (38%) | 4 | 3.4 |
| Reversal responsive | Dark edge | Bright edge | Both | Independent | |
|---|---|---|---|---|---|
| Fast OFF | 110 | 24 (22%) | 58 (53%) | 9 | 12.7 |
| Medium OFF | 19 | 4 (21%) | 7 (37%) | 0 | 1.5 |
| Slow OFF | 6 | 4 (67%) | 2 (33%) | 1 | 1.3 |
| Fast ON | 21 | 16 (76%) | 3 (14%) | 2 | 2.3 |
↵aFraction of ganglion cells showing a reversal response from four different retinas categorized based on which type of stimulus elicited a reversal response. Comparison of reversal responses for bright ojbects versus dark objects.