Behavioural measures of the spectral sensitivity of the dark-adapted goldfish

ABSTRACT THE eye of the goldfish has a single rod photopigment with a peak spectral absorption at about 522 nm, together with three different photopigments of the cones1. The spectral

sensitivity curve of the electroretinogram (ERG) in the dark-adapted goldfish has been found to be considerably broader than the rod pigment absorption function, suggesting a significant

contribution of cone response to the dark-adapted ERG2. This ERG result contrasts with those from very similar experiments on humans which show that the spectral sensitivity of the scotopic

ERG is very closely related to the absorption spectrum of the visual pigment of the rods3. To elucidate more fully the relations between the psychophysics and physiology of goldfish vision,

a behavioural method was devised to determine spectral sensitivity functions in fish. This method has previously been used to measure the spectral sensitivity of the goldfish in

light-adapted conditions4,5. Access through your institution Buy or subscribe This is a preview of subscription content, access via your institution ACCESS OPTIONS Access through your

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OF VISUAL BEHAVIOUR Article 22 January 2024 REFERENCES * Schwanzara, S. A., _Vision Res._, 7, 121 (1967). Liebman, P., and Entine, G., _J. Opt. Soc. Amer._, 54, 1451 (1964). Marks, W. B.,

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INFORMATION AUTHORS AND AFFILIATIONS * Department of Psychology, Brown University, Providence, Rhode Island, 02912 DEAN YAGER Authors * DEAN YAGER View author publications You can also

search for this author inPubMed Google Scholar RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE YAGER, D. Behavioural Measures of the Spectral Sensitivity

of the Dark-adapted Goldfish. _Nature_ 220, 1052–1053 (1968). https://doi.org/10.1038/2201052a0 Download citation * Received: 26 August 1968 * Revised: 17 October 1968 * Issue Date: 07

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