{"fact":"Constant light or dim light at night can disrupt the normal 24-hour activity patterns of crows, sometimes even making them arrhythmic.","context":"However, daily activity behavior underwent gradual disruption and crows became arrhythmic in activity by the end of the LL exposure. The cosinor analysis further confirmed the persistence of a significant daily rhythm in activity behavior under LD, but not under LL.","source":"Sheikh Tahajjul Taufique; Abhilash Prabhat; Vinod Kumar, Light at night affects hippocampal and nidopallial cytoarchitecture: Implication for impairment of brain function in diurnal corvids., 10.1002/jez.2238","index":457}