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Differences in temporal appearance associated with activity in the chromatic achromatic systems


, : Differences in temporal appearance associated with activity in the chromatic achromatic systems. Perception & Psychophysics 33(4): 388-390

The temporal appearances of spatially coincident increments that activate the chromatic or achromatic system are different. Whereas near-threshold stimuli that are detected by the chromatic system appear to come on gradually, increments detected by the achromatic system appear to flash or step on. This difference in [human] perception is consistent with previous reports that show differences in the temporal properties of the 2 systems.

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Related references

Schwartz, S.H.; Loop, M.S., 1983: Differences in temporal appearance associated with activity in the chromatic and achromatic systems. Perception & Psychophysics 33(4): 388-390

Bieliauskas, V.J.; Heffron, A.R., 1960: Differences in performance on the chromatic vs. achromatic H-T-P drawings. Journal of Clinical Psychology 16: 334-335

Klistorner, A.; Crewther, D.P.; Crewther, S.G., 1998: Temporal analysis of the topographic ERG: Chromatic versus achromatic stimulation. The topographic electroretinogram evoked by multi-focal exchange of black and white or red and green stimuli was analysed into linear and non-linear Wiener kernels. The first-order (temporally linear) response showed a biphasic waveform which inve...

Klistorner, A.; Crewther, D.P.; Crewther, S.G., 1998: Temporal analysis of the topographic ERG: chromatic versus achromatic stimulation. The topographic electroretinogram evoked by multi-focal exchange of black and white or red and green stimuli was analysed into linear and non-linear Wiener kernels. The first-order (temporally linear) response showed a biphasic waveform which inve...

Bush D.F.; Coward R.T., 1974: Sex differences in the solution of achromatic and chromatic embedded figures. Perceptual & Motor Skills 39(3): 1121-1122

Wesner M.F.; Shevell S.K., 1989: A chromatic or achromatic ring surrounding an adapting background can strongly influence the color appearance of a test field. Investigative Ophthalmology & Visual Science 30(3 SUPPL): 129

Devinck, Fédéric.; Hansen, T.; Gegenfurtner, K.R., 2007: Temporal properties of the chromatic and achromatic Craik-O'Brien-Cornsweet effect. The Craik-O'Brien-Cornsweet effect (COCE) is a visual illusion in which a difference in brightness is observed between two regions of equal luminance separated by a contrast edge with opposite luminance gradients on each side. The COCE also o...

Schwartz S.H.; Loop M.S., 1984: Effect of duration on detection by the chromatic and achromatic systems. Detectability was determined as a function of stimulus duration for the chromatic and achromatic systems in human subjects. For the achromatic system, detectability remains relatively constant for durations ranging from 43 to 1000 ms, whereas for...

Regan, D.; Nakano, Y.; Kaiser, P.K., 1993: Dissociation of achromatic and chromatic processing of spatial form and temporal modulation by the titration method. Using a titration method to attempt to silence the achromatic contrast subsystem, we tested the assumption that an equiluminant chromatic pattern does not stimulate the physiological achromatic contrast subsystem. We also examined the question whe...

Mullen, K.T.; Thompson, B.; Hess, R.F., 2011: Responses of the human visual cortex and LGN to achromatic and chromatic temporal modulations: an fMRI study. In this study, we investigate how the responses of the human visual pathway to temporal frequency are modified as information transfers between the lateral geniculate nucleus (LGN) and primary visual cortex (V1) and to the extrastriate areas of th...