Letter: An electrical sign of photic history recorded from the eye of the frog tadpole.
D000818:Animals; D001001:Anura; D003623:Dark Adaptation; D004594:Electrophysiology; D004596:Electroretinography; D066298:In Vitro Techniques; D009799:Ocular Physiological Phenomena; D010775:Photic Stimulation; D011894:Rana pipiens / Q000502:physiology*; D014785:Vision, Ocular