Movie S5.

NPF neurons insufficient to induce a Proboscis Extension Response (PER). Male NPF-GAL4>UAS-ReaChR flies (7-9 days old) were photo-stimulated using a 620 nm LED, 10 pulses of 500 ms photo-stimulation at 0.2 Hz were delivered. The video shows one pulse train for one replicate (5 flies) No flies were seen to react to any photo-stimulation. In this video, the male on the left who continually extends his proboscis is not counted.