Table 1. Number of light-, dark-, PT- and T-flash-dominant neurons.

	PT-flash- dominant	T-flash- dominant	Non-flash- modulated	Total
F5
Light-dominant	4	10	23	37
Dark-dominant	14	21	32	67
Non-modulated	14	18	33	65
Total	32	49	88	169
F1
Light-dominant	3	7	18	28
Dark-dominant	11	3	28	42
Non-modulated	15	17	26	58
Total	29	27	72	128