Fig. 1.
Mean suppression ratios ± SEM for conditioned (n = 64) and pseudorandom controls (n = 54). Conditioning produced statistically significant suppression of phototactic behavior compared with pseudorandom controls (*p < 0.001).
Mean suppression ratios ± SEM for conditioned (n = 64) and pseudorandom controls (n = 54). Conditioning produced statistically significant suppression of phototactic behavior compared with pseudorandom controls (*p < 0.001).