Additional Table 1.

The number of animals used in each experiment

Injection site	Number of animals	Time of sacrificed (h)
lateral geniculate nucleus	3	96
Retina	3	96
Superior colliculus (for Figure 4B, C)	12 (3 animals each group)	24, 48, 72, 96
Superior colliculus (for Figure 4D)	10 (5 animals each group)	According to the time of death