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. Author manuscript; available in PMC: 2014 Feb 18.
Published in final edited form as: J Vis. 2012 Jun 19;12(6):10.1167/12.6.24 24. doi: 10.1167/12.6.24

Figure 4.

Figure 4

Bandwidths of surround-suppression tuning curves. The four upper panels show the results for each subject. Black circles, data taken from the Boct values in Figure 2. Error bars show the 70% confidence interval estimated by bootstrap resampling. We generate 2000 thresholds (in the parallel condition) using a normal random distribution with the mean and SD of the thresholds in the Figure 2. We fitted Equation 1 (as in Figure 2) to the resampled data and then we took the percentiles 85% and 15% from the distribution of estimated bandwidths (Boct). The lower panel (red circles) shows the mean (± SEM) of bandwidths (in octaves) estimated from the four subjects.