Center-surround antagonism explained

Center-surround antagonism refers to antagonistic interactions between center and surround regions of the receptive fields of photoreceptor cells in the retina. Center surround antagonism enables edge detection and contrast enhancement within the visual cortex.

References

• 10.1016/j.visres.2004.05.014 . 15358081 . Center-surround antagonism in spatial vision: Retinal or cortical locus? . Vision Research . 44 . 21 . 2457–65 . 2004 . Westheimer . Gerald . 12268729 .