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Effect of luminosity on color discrimination of dichromatic marmosets (Callithrix jacchus)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience. Univ Fed Rio Grande do Norte, Lab Sensory Ecol, BR-59072970 Natal, RN, Brazil; Univ Fed Rio Grande do Norte, Lab Adv Study Primates, BR-59072970 Natal, RN, Brazil.
Univ Fed Rio Grande do Norte, Lab Sensory Ecol, BR-59072970 Natal, RN, Brazil; Univ Fed Rio Grande do Norte, Lab Adv Study Primates, BR-59072970 Natal, RN, Brazil.
2012 (English)In: Optical Society of America. Journal A: Optics, Image Science, and Vision, ISSN 1084-7529, E-ISSN 1520-8532, Vol. 29, no 2, p. A216-22Article in journal (Refereed) Published
Abstract [en]

Psychophysical data have shown that under mesopic conditions cones and rods can interact, improving color vision. Since electrophysiological data have suggested that rods of dichromatic marmosets appear to be active at higher luminance, we aimed to investigate the effect of different levels of sunlight on the foraging abilities of male dichromatic marmosets. Captive marmosets were observed under three different conditions, with respect to their performance in detecting colored food items against a green background. Compared to high and low light intensities, intermediate luminosities significantly increased detection of orange targets by male dichromats, an indication of rod intrusion.

Place, publisher, year, edition, pages
2012. Vol. 29, no 2, p. A216-22
National Category
Ophthalmology
Identifiers
URN: urn:nbn:se:uu:diva-382234DOI: 10.1364/JOSAA.29.00A216ISI: 000300396500027PubMedID: 22330382OAI: oai:DiVA.org:uu-382234DiVA, id: diva2:1306409
Note

Correction in: J. Opt.Soc. Am. (2019), 36(4), 508-509

DOI: 10.1364/JOSAA.36.000508

Available from: 2019-04-23 Created: 2019-04-23 Last updated: 2019-04-23Bibliographically approved

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Freitag, Fabio Batista

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