M. T. Marin, T. T. Araújo, M. M. F. Rezende, and R. Ribeiro-Barbosa, “Behavioral alterations induced by absence of circadian light rhythm: effects of constant light or constant dark on depression-like behaviors and locomotor activity in rats ”, Biosci. J., vol. 31, no. 6, pp. 1837–184, Nov. 2015.