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Types of S-(L + M) opponent cells
| Cell type (center ON) | Number of cells recorded | Number of cells with surrounds |
Double-opponent (cells having a surround in L or M and S) | ¾-Opponent (cells having a surround in L/M or S but not both) | Single-opponent cells (cells lacking both L/M and S surrounds) | ||
|---|---|---|---|---|---|---|---|
| Measured cone | |||||||
| L | M | S | |||||
| S | 10 | 7 of 10 | 6 of 9 | 2 of 10 | 2 of 10 | 5 of 10 | 3 of 10 |
| (L+M) | 7 | 3 of 6 | 6 of 7 | 6 of 7 | 5 of 7 | 2 of 7 | 0 of 7 |
| Total | 17 | 10 of 16 | 12 of 15 | 8 of 17 | 7 of 17 | 7 of 17 | 3 of 17 |
