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Keywords: Colour vision
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Journal Articles
J Exp Biol (2023) 226 (15): jeb245461.
Published: 1 August 2023
... that the response speed was similar between sexes and species and fused at around 100 Hz. Our results indicate that the three species have the ancestral insect retinal substrate for a trichromatic colour vision, based upon the UV, blue and green-sensitive photoreceptors, and lack any prominent adaptations related...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (7): jeb243533.
Published: 11 April 2022
...Naomi F. Green; Emily Guevara; Daniel C. Osorio; John A. Endler; N. Justin Marshall; Misha Vorobyev; Karen L. Cheney ABSTRACT Animals use colour vision in a range of behaviours. Visual performance is limited by thresholds, which are set by noise in photoreceptors and subsequent neural processing...
Includes: Supplementary data
Journal Articles
Journal Articles
J Exp Biol (2021) 224 (20): jeb243129.
Published: 28 October 2021
.... ( 1988 ). Tetrachromatic colour vision in the duck ( Anas platyrhynchos L.): microspectrophotometry of visual pigments and oil droplets . J. Comp. Physiol. A 162 , 225 - 235 . 10.1007/BF00606087 Jetz , W. , Thomas , G. H. H. , Joy , J. B. B. , Hartmann , K. and Mooers...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (9): jeb226142.
Published: 4 May 2021
...Vera Schluessel; Ingolf P. Rick; Friederike Donata Seifert; Christina Baumann; Wayne Iwan Lee Davies ABSTRACT Previous studies have shown that marine stingrays have the anatomical and physiological basis for colour vision, with cone spectral sensitivity in the blue to green range of the visible...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (1): jeb233098.
Published: 13 January 2021
... for dichromatic colour vision during the day with the presence of at least two spectrally different cone types: single cones expressing the blue-sensitive SWS2A gene, and double cones expressing one or two green-sensitive RH2 genes. Some differences were observed between the two subfamilies, with Holocentrinae...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (24): jeb209429.
Published: 15 December 2020
... Bird vision Colour vision Psychometric function Visual ecology For many animals, including primates, birds and insects, colour is an important cue to identify, recognise and evaluate objects, such as mates (e.g. birds: Hill, 1991 ; Hunt et al., 1999 ) or food (e.g. primates: Osorio...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (23): jeb230979.
Published: 2 December 2020
..., but their colour vision capabilities remain unclear. Many studies have attempted to measure their spectral sensitivity and identify contributing retinular cells, but the existing evidence is inconclusive. We used electroretinogram (ERG) measurements and intracellular recordings from retinular cells to estimate...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (5): jeb169565.
Published: 7 March 2018
...-1-1/ Summary:   Podarcis muralis are able to discriminate hue differences matching their own ventral colour variation; this has implications for unravelling the evolution and adaptive significance of colour polymorphisms. Colour discrimination Colour polymorphism Colour vision...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (10): 1797–1802.
Published: 15 May 2017
... environments, we suggest that their use contributes strongly to colour constancy performance in nature. Colour differences between stimuli and between different illumination colours were calculated using the receptor noise limited (RNL) model of colour vision ( Vorobyev and Osorio, 1998 ), and achromatic...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (24): 3857–3860.
Published: 15 December 2016
... several shades of grey, indicating that the moths have colour vision. After being trained for 2 days to take nectar at a yellow disc, an innately non-preferred colour, moths learned to select yellow over blue. The choice distribution between yellow and blue changed significantly from that of naive moths...
Journal Articles
J Exp Biol (2015) 218 (3): 458–465.
Published: 1 February 2015
... © 2015. Published by The Company of Biologists Ltd 2015 Colour vision Chromatic resolution UV sensitivity Vitamin A1/A2-based pigments Cone abundance Zootoca vivipara Podarcis muralis Vision is a key sense involved in tasks such as mating, foraging and predator avoidance...
Includes: Supplementary data
Journal Articles
Journal Articles
J Exp Biol (2014) 217 (16): 2899–2909.
Published: 15 August 2014
..., very likely by means of an independent photopigment. Moreover, the presence of four oil droplet types suggests that lacertids have a four-cone colour vision system. Fig. 2. Microscopic images of lacertid cone oil droplets. Retina viewed under brightfield microscopy: (A,B) Podarcis vaucheri , (C...
Journal Articles
Journal Articles
Journal Articles
J Exp Biol (2011) 214 (24): 4186–4192.
Published: 15 December 2011
..., interspecific variations in visual function are especially poorly studied. Of particular interest is whether they possess colour vision and, if so, the role(s) that colour may play in elasmobranch visual ecology. The recent discovery of three spectrally distinct cone types in three different species of ray...
Journal Articles
J Exp Biol (2011) 214 (4): 546–550.
Published: 15 February 2011
... different types of photoreceptors with absorbance maxima in the mid-range of the spectrum, at 480 nm and 520 nm and in the UV at 360 nm. Based on these physiological data colour vision might be possible. In the present study, the ability to discriminate coloured moving stimuli from grey backgrounds...
Journal Articles
J Exp Biol (2010) 213 (23): 4023–4029.
Published: 1 December 2010
...Hiroko Awata; Atsuko Matsushita; Motohiro Wakakuwa; Kentaro Arikawa SUMMARY Recent studies on butterflies have indicated that their colour vision system is almost species specific. To address the question of how this remarkable diversity evolved, we investigated the eyes of the glacial Apollo...
Journal Articles
J Exp Biol (2009) 212 (22): 3693–3699.
Published: 15 November 2009
...Olle Lind; Almut Kelber SUMMARY We have used behavioural tests to determine the intensity thresholds of colour vision in Bourke's parrots ( Neopsephotus bourkii ) and budgerigars ( Melopsittacus undulatus ). We have also examined the relationship between these thresholds and the optical...