A Kelber

Summary

Affiliation: Lund University
Country: Sweden

Publications

  1. doi request reprint Limits of colour vision in dim light
    Almut Kelber
    Department of Biology, Lund University, Helgonavagen 3, Lund, Sweden
    Ophthalmic Physiol Opt 30:454-9. 2010
  2. pmc From spectral information to animal colour vision: experiments and concepts
    Almut Kelber
    Department of Biology, Lund University, Helgonavagen 3, 22362 Lund, Sweden
    Proc Biol Sci 277:1617-25. 2010
  3. ncbi request reprint Sugar preferences and feeding strategies in the hawkmoth Macroglossum stellatarum
    A Kelber
    Department of Cell and Organism Biology, Vision Group, Lund University, Helgonavagen 3, 22362 Lund, Sweden
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 189:661-6. 2003
  4. ncbi request reprint Animal colour vision--behavioural tests and physiological concepts
    Almut Kelber
    Department of Cell and Organism Biology, Vision Group, Lund University, Helgonavagen 3, S 22362 Lund, Sweden
    Biol Rev Camb Philos Soc 78:81-118. 2003
  5. pmc Pattern discrimination in a hawkmoth: innate preferences, learning performance and ecology
    Almut Kelber
    Department of Cell and Organism Biology, Vision Group, Lund University, Helgonavagen 3, S 22642 Lund, Sweden
    Proc Biol Sci 269:2573-7. 2002
  6. ncbi request reprint Nocturnal colour vision--not as rare as we might think
    Almut Kelber
    Department of Cell and Organism Biology, Vision Group, Lund University, Helgonavagen 3, S 22362 Lund, Sweden
    J Exp Biol 209:781-8. 2006
  7. ncbi request reprint Scotopic colour vision in nocturnal hawkmoths
    Almut Kelber
    Department of Cell and Organism Biology, Vision Group, Lund University, Helgonavagen 3, S 22362 Lund, Sweden
    Nature 419:922-5. 2002
  8. ncbi request reprint Visual ecology of Indian carpenter bees I: light intensities and flight activity
    Hema Somanathan
    Department of Cell and Organism Biology Zoology, Lund University, Helgonavagen 3, 22362 Lund, Sweden
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 194:97-107. 2008
  9. ncbi request reprint Multifocal optical systems and pupil dynamics in birds
    Olle E Lind
    Department of Cell and Organism Biology, Lund University, Helgonavagen 3, 223 62 Lund, Sweden
    J Exp Biol 211:2752-8. 2008
  10. pmc The absolute threshold of colour vision in the horse
    Lina S V Roth
    Department of Cell and Organism Biology, Vision Group, Lund University, Lund, Sweden
    PLoS ONE 3:e3711. 2008

Detail Information

Publications29

  1. doi request reprint Limits of colour vision in dim light
    Almut Kelber
    Department of Biology, Lund University, Helgonavagen 3, Lund, Sweden
    Ophthalmic Physiol Opt 30:454-9. 2010
    ..We review what is known about colour vision in dim light, and compare colour vision thresholds with the optical sensitivity of the photoreceptors in selected animal species with lens and compound eyes...
  2. pmc From spectral information to animal colour vision: experiments and concepts
    Almut Kelber
    Department of Biology, Lund University, Helgonavagen 3, 22362 Lund, Sweden
    Proc Biol Sci 277:1617-25. 2010
    ..These higher-level phenomena are essential to human colour perception but poorly known in animals, and we suggest how they can be studied. Finally, we observe that awareness of colour and colour qualia cannot be easily tested in animals...
  3. ncbi request reprint Sugar preferences and feeding strategies in the hawkmoth Macroglossum stellatarum
    A Kelber
    Department of Cell and Organism Biology, Vision Group, Lund University, Helgonavagen 3, 22362 Lund, Sweden
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 189:661-6. 2003
    ..A week later they chose yellow more frequently than blue indicating that they had learned to associate a colour with the preferred type of sugar...
  4. ncbi request reprint Animal colour vision--behavioural tests and physiological concepts
    Almut Kelber
    Department of Cell and Organism Biology, Vision Group, Lund University, Helgonavagen 3, S 22362 Lund, Sweden
    Biol Rev Camb Philos Soc 78:81-118. 2003
    ....
  5. pmc Pattern discrimination in a hawkmoth: innate preferences, learning performance and ecology
    Almut Kelber
    Department of Cell and Organism Biology, Vision Group, Lund University, Helgonavagen 3, S 22642 Lund, Sweden
    Proc Biol Sci 269:2573-7. 2002
    ..Hovering pollinators strongly depend on these guides and should therefore: (i). have rigid pattern preferences; and (ii). not be motivated to abolish these preferences as easily as their innate preferences for colours...
  6. ncbi request reprint Nocturnal colour vision--not as rare as we might think
    Almut Kelber
    Department of Cell and Organism Biology, Vision Group, Lund University, Helgonavagen 3, S 22362 Lund, Sweden
    J Exp Biol 209:781-8. 2006
    ..It can be expected that nocturnal animals other than moths and geckos make use of the highly reliable colour signals in dim light...
  7. ncbi request reprint Scotopic colour vision in nocturnal hawkmoths
    Almut Kelber
    Department of Cell and Organism Biology, Vision Group, Lund University, Helgonavagen 3, S 22362 Lund, Sweden
    Nature 419:922-5. 2002
    ..Taken together, our results show that colour vision occurs at nocturnal intensities in a biologically relevant context...
  8. ncbi request reprint Visual ecology of Indian carpenter bees I: light intensities and flight activity
    Hema Somanathan
    Department of Cell and Organism Biology Zoology, Lund University, Helgonavagen 3, 22362 Lund, Sweden
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 194:97-107. 2008
    ..tranquebarica in extremely dim light. We hypothesise that additional adaptations must confer extreme nocturnality in X. tranquebarica...
  9. ncbi request reprint Multifocal optical systems and pupil dynamics in birds
    Olle E Lind
    Department of Cell and Organism Biology, Lund University, Helgonavagen 3, 223 62 Lund, Sweden
    J Exp Biol 211:2752-8. 2008
    ..Moreover, the parrots opened their pupils at higher light levels than owls, which correlates with the differences in sensitivity between diurnal and nocturnal eyes...
  10. pmc The absolute threshold of colour vision in the horse
    Lina S V Roth
    Department of Cell and Organism Biology, Vision Group, Lund University, Lund, Sweden
    PLoS ONE 3:e3711. 2008
    ..The advantage of the large eye of the horse lies not in colour vision at night, but probably instead in achromatic tasks where presumably signal summation enhances sensitivity...
  11. doi request reprint Visual ecology of Indian carpenter bees II: adaptations of eyes and ocelli to nocturnal and diurnal lifestyles
    Hema Somanathan
    Department of Cell and Organism Biology, Zoology, Lund University, 22363, Lund, Sweden
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 195:571-83. 2009
    ..These strategies may include photoreceptors with longer integration times and higher contrast gains as well as higher neural summation mechanisms for increasing visual reliability in dim light...
  12. ncbi request reprint Avian colour vision: effects of variation in receptor sensitivity and noise data on model predictions as compared to behavioural results
    Olle Lind
    Department of Cell and Organism Biology, Lund Vision Group, Lund University, Helgonavagen 3, 22362 Lund, Sweden
    Vision Res 49:1939-47. 2009
    ..A comparison between predicted and measured spectral sensitivities in domestic fowl and duck revealed large discrepancies, likely because of influences from achromatic mechanisms...
  13. doi request reprint Resolution and sensitivity of the eyes of the Asian honeybees Apis florea, Apis cerana and Apis dorsata
    Hema Somanathan
    Department of Cell and Organism Biology Zoology, Lund University, 22363 Lund, Sweden
    J Exp Biol 212:2448-53. 2009
    ..We assume that additional neuronal adaptations, as has been proposed for A. mellifera, M. genalis and X. tranquebarica, might exist in A. dorsata...
  14. doi request reprint The pupils and optical systems of gecko eyes
    Lina S V Roth
    Department of Cell and Organism Biology, Helgonavagen 3, Lund, Sweden
    J Vis 9:27.1-11. 2009
    ..We compare the optical system of the helmet gecko to that of the diurnal day gecko, Phelsuma madagascariensis grandis. The optical system of the day gecko shows no signs of distinct concentric zones and is thereby monofocal...
  15. doi request reprint The intensity threshold of colour vision in two species of parrot
    Olle Lind
    Department of Cell and Organism Biology, Lund University, Sweden
    J Exp Biol 212:3693-9. 2009
    ..Furthermore, the study emphasises the need to expand the sensitivity measure so that photoreceptor integration units are used rather than single receptors...
  16. ncbi request reprint A functional analysis of compound eye evolution
    Dan E Nilsson
    Department of Cell and Organism Biology, Lund University, Zoology Building, Helgonavagen 3, 223 62 Lund, Sweden
    Arthropod Struct Dev 36:373-85. 2007
    ..In contrast, the compound eyes in myriapods and chelicerates are likely to date back to ancestors with corneal lenses and probably without the ability to discriminate colour and polarization...
  17. ncbi request reprint Colour perception in a dichromat
    Lina S V Roth
    Department of Cell and Organism Biology, Vision Group, Lund University, Helgonavagen 3, S 22362 Lund, Sweden
    J Exp Biol 210:2795-800. 2007
    ..This study suggests that dichromats perceive their chromatic space as a continuous scale of colours, treating the colour at the neutral point as any other colour they can distinguish...
  18. ncbi request reprint Nocturnal vision and landmark orientation in a tropical halictid bee
    Eric J Warrant
    Department of Cell and Organism Biology, Zoology Building, University of Lund, Helgonavagen 3, S 22362 Lund, Sweden
    Curr Biol 14:1309-18. 2004
    ..The insensitive optics of apposition eyes are not well suited for nocturnal vision. How well then do nocturnal bees and wasps see? What optical and neural adaptations have they evolved for nocturnal vision?..
  19. ncbi request reprint Colour constancy in diurnal and nocturnal hawkmoths
    Anna Balkenius
    Department of Cell and Organism Biology, Lund University, Helgonavagen 3, S 223 62 Lund, Sweden
    J Exp Biol 207:3307-16. 2004
    ..Even if colour constancy can be explained by a von Kries adaptation mechanism, the fact that the animals discriminate between different illuminations indicates that some additional process must be involved...
  20. ncbi request reprint Color discrimination in the red range with only one long-wavelength sensitive opsin
    Guillermo Zaccardi
    Vision Group, Department of Cell and Organism Biology, Lund University, Helgonavagen 3, S 22362 Lund, Sweden
    J Exp Biol 209:1944-55. 2006
    ..The comparison of the signals between the two new receptor types makes color discrimination in the red range possible. To our knowledge, this is the first behavioral proof of color vision based on receptors expressing the same opsin...
  21. ncbi request reprint Colour preferences influences odour learning in the hawkmoth, Macroglossum stellatarum
    Anna Balkenius
    Department of Cell and Organism Biology, Lund University, Helgonavagen 3, S 223 62 Lund, Sweden
    Naturwissenschaften 93:255-8. 2006
    ..stellatarum can use more than one modality in their foraging behaviour and that the system is plastic. By manipulating the preferences for the different colours, their influence on odour learning could be changed...
  22. pmc Nocturnal colour vision in geckos
    Lina S V Roth
    University of Lund, Department of Cell and Organism Biology, Vision Group, Helgonavagen 3, S 223 62 Lund, Sweden
    Proc Biol Sci 271:S485-7. 2004
    ..Experiments were performed at 0.002 cd m(-2), a light intensity similar to dim moonlight. We conclude that nocturnal geckos can use cone-based colour vision at very dim light levels when humans rely on colour-blind rod vision...
  23. ncbi request reprint The relative importance of olfaction and vision in a diurnal and a nocturnal hawkmoth
    Anna Balkenius
    Vision Group Department of Cell and Organism Biology, Lund University, Helgonavagen 3, 223 62 Lund, Sweden
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 192:431-7. 2006
    ..Since a nocturnal lifestyle is ancestral for sphingids, the diurnal species, M. stellatarum, has evolved from nocturnal moths that primarily used olfaction. During bright daylight visual cues may have became more important than odour...
  24. pmc Alternative use of chromatic and achromatic cues in a hawkmoth
    Almut Kelber
    Department of Cell and Organism Biology, Lund University, Zoology Building, Helgonavagen 3, 22362 Lund, Sweden
    Proc Biol Sci 272:2143-7. 2005
    ..e. moths do not learn to choose the longer or shorter of two wavelengths, but it is possible that they learn to choose the darker or brighter shade of a colour, and thereby its relative intensities...
  25. ncbi request reprint Polarisation-dependent colour vision in Papilio butterflies
    A Kelber
    Department of Zoology, Lund University, Helgonavagen 3, S 22362 Lund, Sweden
    J Exp Biol 204:2469-80. 2001
    ..and what adaptational value such a system might have for the butterflies. Finally, we give examples for other eyes that have a similar structure...
  26. ncbi request reprint Crepuscular and nocturnal illumination and its effects on color perception by the nocturnal hawkmoth Deilephila elpenor
    Sonke Johnsen
    Biology Department, Duke University, Durham, NC 27708, USA
    J Exp Biol 209:789-800. 2006
    ..Given this, color vision may be more common in crepuscular and nocturnal species than previously considered...
  27. doi request reprint Why do Manduca sexta feed from white flowers? Innate and learnt colour preferences in a hawkmoth
    Joaquín Goyret
    Department of Biological Sciences, University of South Carolina, Columbia, SC 29208, USA
    Naturwissenschaften 95:569-76. 2008
    ....
  28. doi request reprint The lycaenid butterfly Polyommatus icarus uses a duplicated blue opsin to see green
    Marilou P Sison-Mangus
    Department of Ecology and Evolutionary Biology, University of California, Irvine, CA 92697, USA
    J Exp Biol 211:361-9. 2008
    ..Our results suggest that lateral filtering pigments may not always influence color vision in insects...
  29. ncbi request reprint Brightness discrimination in the harbor seal (Phoca vitulina)
    Christine Scholtyssek
    General Zoology and Neurobiology, University of Bochum, ND 6 33, D 44780 Bochum, Germany
    Vision Res 48:96-103. 2008
    ..The calculated Weber fraction is 0.14. This result indicates that the brightness discrimination ability of the harbor seal is comparable to that of humans...