Table S3.

Pre versus Post comparisons for exploratory measures in the light/dark box (paired t tests)

Group	Latency, s	No. entries	Duration, s	No. verticals
PV-Arch	n.s.	df = 33, t = 2.4, P = 0.02	df = 33, t = 6.7, P < 0.0001	df = 33, t = 4.3, P = 0.0001
PV-ChR2	n.s.	df = 26, t = 4.7, P < 0.0001	df = 26, t = 7.9, P < 0.0001	df = 26, t = 6.0, P < 0.0001
PV-PV	n.s.	df = 14, t = 4.9, P = 0.0002	df = 14, t = 11.6, P < 0.0001	df = 14, t = 5.3, P < 0.0001
No laser	n.s.	df = 24, t = 5.0, P < 0.0001	df = 24, t = 8.9, P < 0.0001	df = 24, t = 6.9, P < 0.0001

n.s., not significant.