Brightness discrimination and neutral point testing in the horse

Canadian Journal of Zoology

Volumn 82, Issue 4, 2004, Pages 660-670

  Geisbauer, Gudrun ^a,d   Griebel, Ulrike ^b   Schmid, Axel ^a   Timney, Brian ^c  

^a UNIVERSITY OF VIENNA   (Austria)

^b UNIVERSITY OF MEMPHIS   (United States)

^c UNIVERSITY OF WESTERN ONTARIO   (Canada)

^d NONE   (Austria)

Author keywords

[No Author keywords available]

Indexed keywords

COLOR VISION; NEURAL NETWORKS;

BRIGHTNESS DISCRIMINATION; NEURAL POINT TESTING;

BIODIVERSITY;

BEHAVIORAL RESPONSE; COLOR; RUMINANT; VISION;

BOVIDAE; EQUIDAE; EQUUS; EQUUS CABALLUS;

EID: 4043153551     PISSN: 00084301     EISSN: None     Source Type: Journal    
DOI: 10.1139/z04-026     Document Type: Article

References (24)

1. Bauer, P., Scheiber, V., and Wohlzogen, F. 1986. Biometrie. Sequentielle statistische Verfahren. Gustav Fischer, Stuttgart, Germany.
2. Borish, I.M. 1975. Clinical refraction. The Professional Press, Inc., Chicago.
3. Busch, H., and Dücker, G. 1987. Das visuelle Leistungsvermögen der Seebären (Arctocephalus pusillus und Arctocephalus australis). Zool. Anz. 219: 197-224.
4. Carroll, J., Murphy, C.J., Neitz, M., Ver Hoeve, J.N., and Neitz, J. 2001. Photopigment basis for dichromatic color vision in the horse. J. Vision, 1: 80-87.
5. Chausseil, M., and Löhmer, R. 1986. Untersuchungen über das Helligkeitssehen bei Wickelbären (Potus flavus Schreber, 1774). Z. Saeugetierkd. 51: 274-281.
6. Cornsweet, T.N., and Pinsker, H.M. 1965. Luminance discrimination of brief flashes under various conditions of adaptation. J. Physiol. (Lond.) 176: 294-310.
7. Fellows, B.J. 1967. Chance stimulus sequences for discrimination tasks. Psychol. Bull. 67(2): 87-92.
8. Francois, J., Wouters, L., Victoria-Troncoso, V., De Rouck, A., and Van Gerven, A. 1980. Morphometric and electrophysiologic study of the photoreceptors in the horse. Ophthalmologica, 181: 340-349.
9. Griebel, U., and Schmid, A. 1997. Brightness discrimination ability in the West Indian manatee (Trichechus manatus). J. Exp. Biol. 200: 1587-1592.
10. Grzimek, B. 1952. Versuche über das Farbsehen bei Pflanzenessern. Z. Tierpsychol. 27: 330-338.
11. Harman, A.B., Moore, S., Hoskins, R., and Keller, P. 1999. Horse vision and an explanation for the visual behaviour originally explained by the "ramp retina". Equine Vet. J. 31: 384-390.
12. Hebel, R. 1976. Distribution of retinal ganglion cells in five mammalian species (pig, sheep, ox, horse, dog). Anat. Embryol. 150: 45-51.
13. Jacobs, G.H. 1981. Comparative color vision. Academic Press, New York.
14. Macuda, T.J. 2000. Equine color vision. Ph.D. thesis. The University of Western Ontario, London, Ont.
15. Macuda, T., and Timney, B. 1999. Luminance and chromatic discrimination in the horse. Behav. Process. 44: 301-307.
16. Pick, D.F., Lovell, G., Brown, S., and Dail, D. 1994. Equine color perception revisited. Appl. Anim. Behav. Sci. 42: 61-65.
17. Pretterer, G., Bubna-Littitz, H., Windischbauer, G., Gabler, C., and Griebel, U. 2004. Brightness discrimination in the dog. J. Vision. In press.
18. Roberts, S.M. 1992. Equine vision and optics. Veterinary optics of North America. Equine Pract. 8(3): 451-457.
19. Sandmann, D., Boycott, B.B., and Peichl, L. 1996. Blue-cone horizontal cells in the retinae of horses and other Equidae. J. Neurosci. 16: 3381-3396.
20. Smith, S., and Goldman, L. 1999. Color discrimination in horses. Appl. Anim. Behav. Sci. 62: 13-25.
21. Timney, B., and Keil, K. 1992. Visual acuity in the horse. Vision Res. 32(12): 2289-2293.
22. Ver Hoeve, J.N., Neitz, J., and Murphy, Y. 1999. Horse sense: electrophysiologic measures of equine vision. IOVS 40(4): 22.
23. Wouters, L., De Moor, A., and Moens, Y. 1980. Rod and cone components in the electroretinogram of the horse. Zbl. Vet. Med. A, 27: 330-338.
24. Yokoyama, S., and Radlwimmer, F.B. 1999. The molecular genetics of red and green color vision in mammals. Genetics, 153: 919-932.