Abstract

Three male cats were trained to depress a foot pedal as a conditioned response to the presence of an illuminated target. The animals were then exposed to a flash with a visual angle of 20° and peak luminance of 5.0×10⁶ lm. The total energy at the corneal surface was 0.26 J/cm². The visually dependent conditioned responses to each of five target conditions (4.15, 0.359, 0.029, and 0.0029 mL for the dark-adapted cat eyes and 4.15 mL for the light-adapted eyes) were then taken as their recovery times. The results showed that when the energy of the adapting flash remained constant, a decrease of the luminance of the target resulted in an increase of the recovery times of the cat.

© 1968 Optical Society of America

Visual Recovery from Brief Exposures to High Luminance*

Norma D. Miller
J. Opt. Soc. Am. 55(12) 1661-1669 (1965)

Spatial and Luminance Factors Determining Visual Excitability*†

Thomas E. Frumkes and Joseph F. Sturr
J. Opt. Soc. Am. 58(12) 1657-1662 (1968)

Time Course of Visual Inhibition during Voluntary Saccades*†

Frances C. Volkmann, Amy M. L. Schick, and Lorrin A. Riggs
J. Opt. Soc. Am. 58(4) 562-569 (1968)

Effect of Flash and Field Luminance upon Human Reaction Time*

N. R. Bartlett and S. Macleod
J. Opt. Soc. Am. 44(4) 306-311 (1954)

Visual Disinhibition with Binocular and Interocular Presentations

Daniel N. Robinson
J. Opt. Soc. Am. 58(2) 254-257 (1968)