Video 1. 4 Hz photoactivation of rostral PL neurons during the tone impairs avoidance.

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DOI: 10.7554/eLife.34657.016

Video of an individual rat with ChR2 infused into rPL showing avoidance behavior on the last day of avoidance training (Day 10) at Tone 1, followed by the rat’s behavior at Test (Day 11) with the laser on during the tone (4 Hz, 30 s duration, 5 ms pulse width, 8–10 mW light intensity).