Normalized seizure duration comparing seizure length with light off versus that with light on, for mice expressing stGtACR2 and control mice expressing mCherry in the FC. stGtACR2, 76 3% (2,075 seizures from 4 mice); mCherry, 98 4% (1,627 seizures from 4 mice); normalized seizure duration s.e.m. ** P = 0.0038, t = 4.56213, two-tailed t -test.
