Neuronal nonlinearity explains greater visual spatial resolution for darks than lights

@article{Kremkow2014NeuronalNE,
  title={Neuronal nonlinearity explains greater visual spatial resolution for darks than lights},
  author={J. Kremkow and Jianzhong Jin and S. J. Komban and Y. Wang and R. Lashgari and X. Li and Michael Jansen and Q. Zaidi and J. Alonso},
  journal={Proceedings of the National Academy of Sciences},
  year={2014},
  volume={111},
  pages={3170 - 3175}
}
Significance Light and dark stimuli are separately processed by ON and OFF channels in retina and thalamus. Although most textbooks assume that ON and OFF visual responses are relatively balanced throughout the visual system, recent studies have identified a pronounced overrepresentation of OFF responses in the cerebral cortex. This recent discovery resonates with Galileo and Helmholtz’s pioneering observations that visual spatial resolution is higher for darks than lights. In this paper, we… Expand
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