Figure 13.

Comparison of tuning curves against stimulus rank. a, Original magnitudes of responses to the first (left) and second (right) stimuli were averaged for the stimulus rank order. The spontaneous firing rate was not subtracted in this analysis. b, The magnitudes of responses were normalized by the maximal responses of individual cells before they were averaged across cells. Only cells that showed significant stimulus selectivity were included in both a and b. Error bars represent the SEM.