Avian colour vision: Effects of variation in receptor sensitivity and noise data on model predictions as compared to behavioural results.
Author
Summary, in English
Colour vision models require measurement of receptor noise and the absorbance of visual pigments, oil droplets, and ocular media. We have studied how variation in these parameters influences colour matching, spectral sensitivity, and colour discrimination predictions in four bird species. While colour match predictions are sensitive to variation in visual pigment and oil droplet absorbance data, discrimination predictions are mostly sensitive to variation in receptor noise. Ocular media transmittance influences only modelled spectral sensitivities at short wavelengths. A comparison between predicted and measured spectral sensitivities in domestic fowl and duck revealed large discrepancies, likely because of influences from achromatic mechanisms.
Department/s
Publishing year
2009
Language
English
Pages
1939-1947
Publication/Series
Vision Research
Volume
49
Document type
Journal article
Publisher
Elsevier
Topic
- Zoology
Status
Published
Research group
- Lund Vision Group
ISBN/ISSN/Other
- ISSN: 1878-5646