The spatial constraints needed to obtain rod-cone interaction under steady adaptation levels apply to transient conditions of adaptation. The influence of cones upon rod threshold, however, is qualitatively different at light onset as opposed to light offset.
© 1980 Optical Society of America
Thomas E. Frumkes and Gay R. Holstein, "Rod-cone interrelationships at light onset and offset," J. Opt. Soc. Am. 69, 1727-1730 (1979)