From: The flash-lag effect as a spatiotemporal correlation structure
Journal of Vision. 2001;1(2):6. doi:10.1167/1.2.6
Figure Legend:
A spatiotemporal version of the relationship illustrated in Figure 3. The data for the speed of 1 pixel/frame are chosen as
an example. A. A colored-surface plot of the observed psychometric function. The horizontal sigmoid shown in Figure 2E
(green curve) is applied to the chart shown in Figure 4C. B. The psychometric function of a hypothetical perfect observer
who knows spatiotemporal positions of all stimuli with perfect accuracy and precision. C. The probability density function
of perceptual spatiotemporal alignment, or the kernel. Probability density is plotted by a color scale with an arbitrary gain.
The shape of the kernel is not uniquely determined from the data shown in A. This shape is the result of a fitting
procedure:
the most
likely estimate of
theAssociation
kernel thatforbest
explains
data for
speed conditions.
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