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The receptive fields of five example neurons. (a) Small, fairly focal receptive field. (b) Large receptive field spanning both contralateral and ipsilateral locations. (c) Large receptive field with best area in the ipsilateral hemifield. (d) Inhibition at nearly all tested locations. (e) “Annular” receptive field, with responses to visual stimuli at eccentric positions. The conventions are the same as in Fig. 2g.
