Spatial integration properties in vision with chromatic stimuli

The present study showed that (1) the critical area of spatial integration was larger for equiluminous chromatic stimuli than for luminance stimuli, and that (2) the critical area became smaller as the chromatic saturation of the adaptation field was increased. The latter suggests that the chromatic coding systems, which are assumed to posses poorer spatial resolution or larger spatial integration than the luminance system, could change their spatial integrating organization independently of the luminance system which could also change its own spatial organization. © 1993 John Wiley & Sons, Inc.

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