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Animal colour vision--behavioural tests and physiological concepts.
Kelber A, Vorobyev M, Osorio D. Kelber A, et al. Biol Rev Camb Philos Soc. 2003 Feb;78(1):81-118. doi: 10.1017/s1464793102005985. Biol Rev Camb Philos Soc. 2003. PMID: 12620062 Review.
Over a century ago workers such as J. Lubbock and K. von Frisch developed behavioural criteria for establishing that non-human animals see colour. ...
Over a century ago workers such as J. Lubbock and K. von Frisch developed behavioural criteria for establishing that non-human animal …
Ovipositing butterflies use a red receptor to see green.
Kelber A. Kelber A. J Exp Biol. 1999 Oct;202 (Pt 19):2619-30. J Exp Biol. 1999. PMID: 10482721
A class of simple models is developed to describe this choice behaviour in terms of linear interactions between the different spectral types of photoreceptors. The green receptor has a positive influence, whereas the blue (and possibly the ultraviolet and violet) re
A class of simple models is developed to describe this choice behaviour in terms of linear interactions between the different spectra
Polarisation-dependent colour vision in Papilio butterflies.
Kelber A, Thunell C, Arikawa K. Kelber A, et al. J Exp Biol. 2001 Jul;204(Pt 14):2469-80. J Exp Biol. 2001. PMID: 11511662
From these results, we propose hypotheses about which photoreceptors contribute to colour vision in Papilio spp. and what adaptational value such a system might have for the butterflies. Finally, we give examples for other eyes that have a similar structure....
From these results, we propose hypotheses about which photoreceptors contribute to colour vision in Papilio spp. and what adaptational value …
Scotopic colour vision in nocturnal hawkmoths.
Kelber A, Balkenius A, Warrant EJ. Kelber A, et al. Nature. 2002 Oct 31;419(6910):922-5. doi: 10.1038/nature01065. Nature. 2002. PMID: 12410310
It can do this even if the illumination colour changes, thereby showing colour constancy-a property of true colour vision systems. ...Taken together, our results show that colour vision occurs at nocturnal intensities in a biologically relevant context....
It can do this even if the illumination colour changes, thereby showing colour constancy-a property of true colour vision systems. .. …
Pattern discrimination in a hawkmoth: innate preferences, learning performance and ecology.
Kelber A. Kelber A. Proc Biol Sci. 2002 Dec 22;269(1509):2573-7. doi: 10.1098/rspb.2002.2201. Proc Biol Sci. 2002. PMID: 12573072 Free PMC article.
In this paper, I present a first proof of pattern-learning abilities in a moth, and discuss reasons for the limitations to their pattern learning. ...These results do not reflect bad visual discrimination but rather a lack of learning ability and motivation t …
In this paper, I present a first proof of pattern-learning abilities in a moth, and discuss reasons for the limitations to the …
Sugar preferences and feeding strategies in the hawkmoth Macroglossum stellatarum.
Kelber A. Kelber A. J Comp Physiol A Neuroethol Sens Neural Behav Physiol. 2003 Sep;189(9):661-6. doi: 10.1007/s00359-003-0440-0. Epub 2003 Aug 9. J Comp Physiol A Neuroethol Sens Neural Behav Physiol. 2003. PMID: 12910362
Naive moths released in a large flight cage and monitored over 24 days, drank on average 137 mul sucrose, 67 mul fructose and 7 mul glucose daily. ...A week later they chose yellow more frequently than blue indicating that they had learned to associate a colo …
Naive moths released in a large flight cage and monitored over 24 days, drank on average 137 mul sucrose, 67 mul fructose and 7 mul g …
Nocturnal vision and landmark orientation in a tropical halictid bee.
Warrant EJ, Kelber A, Gislén A, Greiner B, Ribi W, Wcislo WT. Warrant EJ, et al. Curr Biol. 2004 Aug 10;14(15):1309-18. doi: 10.1016/j.cub.2004.07.057. Curr Biol. 2004. PMID: 15296747
Like their day-active relatives, they have apposition compound eyes, a design usually found in diurnal insects. The insensitive optics of apposition eyes are not well suited for nocturnal vision. ...This implies that sensitivity is improved by a strategy of photon s …
Like their day-active relatives, they have apposition compound eyes, a design usually found in diurnal insects. The insensitive optic …
Colour constancy in diurnal and nocturnal hawkmoths.
Balkenius A, Kelber A. Balkenius A, et al. J Exp Biol. 2004 Sep;207(Pt 19):3307-16. doi: 10.1242/jeb.01158. J Exp Biol. 2004. PMID: 15326207
They make fewer choices when tested under the changed illumination, where they never receive a reward, compared with the training illumination. Even if colour constancy can be explained by a von Kries adaptation mechanism, the fact that the animals discriminate betw …
They make fewer choices when tested under the changed illumination, where they never receive a reward, compared with the training ill …
Nocturnal colour vision in geckos.
Roth LS, Kelber A. Roth LS, et al. Proc Biol Sci. 2004 Dec 7;271 Suppl 6(Suppl 6):S485-7. doi: 10.1098/rsbl.2004.0227. Proc Biol Sci. 2004. PMID: 15801611 Free PMC article.
This is true for most vertebrates that possess a dual retina with a single type of rod for colour-blind night vision and multiple types of cone for diurnal colour vision. ...Experiments were performed at 0.002 cd m(-2), a light intensity similar to dim moonli …
This is true for most vertebrates that possess a dual retina with a single type of rod for colour-blind night vision and multi …
Alternative use of chromatic and achromatic cues in a hawkmoth.
Kelber A. Kelber A. Proc Biol Sci. 2005 Oct 22;272(1577):2143-7. doi: 10.1098/rspb.2005.3207. Proc Biol Sci. 2005. PMID: 16191627 Free PMC article.
The diurnal hummingbird hawkmoth Macroglossum stellatarum can learn the achromatic (intensity-related) and the chromatic (wavelength-related) aspect of a spectral colour. ...In a conflicting situation, hummingbird hawkmoths clearly rely on the chromatic aspect of co …
The diurnal hummingbird hawkmoth Macroglossum stellatarum can learn the achromatic (intensity-related) and the chromatic (wavelength-related …
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