Table 1.
Classification and numbers of the SC neurons.
| Classification | Number of neurons (R/L) |
|||
|---|---|---|---|---|
| Superficial layers | Intermediate layers | Deep layers | Total | |
| Disengagement-related | 2 (1/1) | 10 (5/5) | 29 (13/16) | 41 (19/22) |
| Reward and attention shift-related | 7 (3/4) | 29 (15/14) | 34 (16/18) | 70 (34/36) |
| Visually responsive | 40 (18/22) | 18 (9/9) | 5 (3/2) | 63 (30/33) |
| Inhibitory responsive | 5 (3/2) | 4 (2/2) | 3 (2/1) | 12 (7/5) |
| Total responses | 54 (25/29) | 61 (31/30) | 71 (34/37) | 186 (90/96) |
| No responses | 158 (76/82) | 120 (57/63) | 119 (57/62) | 397 (190/207) |
| Total | 212 (101/111) | 181 (88/93) | 190 (91/99) | 583 (280/303) |
R, right superior colliculus; L, left superior colliculus. Numbers in parentheses indicate numbers of neurons in the right (R) and left (L) sides.