Appendix 6—table 1. Response latency to dot motion analyses in Calliphora R1-R6s (Mean ± SD).

Intracellular recordings were performed at 19°C. The tested moving dot (point-object) velocities were: 334.6, 167.3, 111.53, 83.65, 66.92, 55.77, 47.8, 41.83, 37.18 and 33.46 ^o/sec.

Animal	Flash response time-to-peak (ms)	Peaks corresponding to the receptive field center		Peaks corresponding to the light-point No.22
		Lag-time $b$ (ms)	Adj. R-Sqr	Lag-time $b\text{'}$ (ms)	Adj. R-Sqr
Calliphora	14.85 ± 0.78	14.6 ± 0.64	0.99985 ± 0.00012	13.9 ± 3.59	0.99985 ± 0.00017
		n = 7		n = 5