Temporal summation in a photoreceptor: dependence on response magnitude.
D000200:Action Potentials; D000818:Animals; D003386:Brachyura; D003623:Dark Adaptation; D066298:In Vitro Techniques; D010775:Photic Stimulation; D010786:Photoreceptor Cells / Q000502:physiology*; D013997:Time Factors