+ Translate

The luminance dependence of spatial vision in the cat

, : The luminance dependence of spatial vision in the cat. Vision Research 21(9): 1333-1340

The spatial contrast sensitivity and spatial resolution of 3 cats and 1 human observer were measured behaviorally over a 6 log unit range of luminances. At the highest luminance tested (16 cd/m2), cats showed lower peak contrast sensitivity than humans, and their sensitivity function was located at lower spatial frequencies. As luminance was reduced, the contrast sensitivity of both humans and cats declined while both peak sensitivity and the limit of resolution shifted toward lower frequencies. These changes were more pronounced in humans and resulted in a convergence of both contrast sensitivity and spatial resolution of the 2 species at the lowest luminance tested. The dissimilarities in the luminance dependence of spatial vision in cats and humans appear to be due to differences in both photoreceptor distribution and receptor-ganglion cell convergence.

Accession: 006712371

PMID: 7314518

DOI: 10.1016/0042-6989(81)90240-6

Download PDF Full Text: The luminance dependence of spatial vision in the cat

Submit PDF Full Text

No spam - Every submission is manually reviewed

Due to poor quality, we do not accept files from Researchgate

Submitted PDF Full Texts will always be free for everyone
(We only charge for PDFs that we need to acquire)

Select a PDF file:

Related references

Madigan J.M.; Pasternak T., 1980: Luminance dependence of spatial vision in normal and strobe reared cats. Investigative Ophthalmology & Visual Science (SUPPL): 217

Lind, O.; Sunesson, T.; Mitkus, M.; Kelber, A., 2012: Luminance-dependence of spatial vision in budgerigars (Melopsittacus undulatus) and Bourke's parrots (Neopsephotus bourkii). Budgerigars (<i>Melopsittacus undulatus</i>) and Bourke s parrots (<i>Neopsephotus bourkii</i>) are closely related birds with different activity patterns. Budgerigars are strictly diurnal while Bourke s parrots are active...

Takiura, Takayuki, 2002: Dependence of the visual response estimated by the masking technique on the stimulus temporal luminance gradient. I. Effects of the stimulus spatial extent and luminance. Two experiments were performed to investigate the effects of the rise and decay times, or of the linear temporal luminance gradient of luminance, of the disk stimulus presented at the fovea on the visual responses estimated as the masking curves....

Montés-Micó, R.; Alió, J.L.; Muñoz, G., 2003: Spatial vision under low luminance after laser refractive surgery. Journal of Refractive Surgery 19(4): 467-467

Watt R.J.; Morgan M.J., 1984: Spatial filters and the localization of luminance changes in human vision. Relative location acuities similar to vernier acuity were measured for a variety of different luminance profiles and contrasts. The results are interpreted in terms of the extraction of zero-bounded centroids in the responses of a limited range of...

Siebeck, U.E.; Wallis, G.Michael.; Litherland, L.; Ganeshina, O.; Vorobyev, M., 2015: Spectral and spatial selectivity of luminance vision in reef fish. Luminance vision has high spatial resolution and is used for form vision and texture discrimination. In humans, birds and bees luminance channel is spectrally selective-it depends on the signals of the long-wavelength sensitive photoreceptors (bee...

Anderson, S.J.; Yamagishi, N., 2000: Spatial localization of colour and luminance stimuli in human peripheral vision. A variety of studies suggest the localization of objects in three-dimensional space is predominantly the task of the magnocellular (M) system, and conversely that the parvocellular (P) system plays little or no role in localization. However, there...

Qi, X.; Makous, W., 1996: Luminance dependence of spatial interactions in the human retina. Investigative Ophthalmology & Visual Science 37(3): S1074

Jackson C.A.; Owsley C.; Kimble J.A.; Sloane M.E., 1988: Low luminance effects on spatial contrast sensitivity in age related macular degeneration central vision. Investigative Ophthalmology & Visual Science 29(ABSTR ISSUE): 3

Takiura, Takayuki, 2003: Dependence of the visual response estimated by the masking technique on the stimulus temporal luminance gradient. II. Effects of the background luminance and direct comparison of the effects between the temporal luminance gradient and the luminance. Matsumura (1976, 1977) was measured the masking curve as a record of the tine course of the psychophysically-estimated transient visual response. He found that the peaks of the curve falls and the peak position is delayed with the increase of the...