Appendix 8—table 1. Parameters for modeling a R1-R6’s receptive field (RF) dynamics caused by its rhabdomere contraction.

Trigger zone: trig	Starting RF half-width: ∆ρstart	Delay before rhabdomere motion: lag	Rhabdomere motion: (time-to-peak) Phase 1	Resulting parallel RF shift: RFshift	RF shift direction: α (front-to-back)	Rhabdomere motion: Phase 2	Ending RF half-width: ∆ρend
14.6 o	8.1o	8 ms	100 ms	1.6o	0	500 ms	4.0o