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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Psychol Sci. 2014 Mar 19;25(5):1067–1078. doi: 10.1177/0956797614522068

Figure 4. Two sources of retinotopic error.

Figure 4

A, Data from the spatiotopic task, post-saccade early delay fit with the combination model (Model C). The combination model includes a von Mises distribution with flexible mean and standard deviation, a second “misreport” von Mises distribution centered on the retinotopic distractor, and a uniform (guessing) distribution. B, Best-fit parameters reflecting each source of error. Data are only shown for post-saccade conditions, since the misreport distribution is specifically defined for the retinotopic distractor (or spatiotopic in Expt 2). Error bars are SEM. N=16 (Spatiotopic Task); N=9 (Retinotopic Task). C, The raw data for the spatiotopic task, post-saccade early delay are binned and plotted as a function of absolute distance from spatiotopic color value. I.e., the two halves of the histogram are folded over one another for comparison. The retinotopic and control probabilities significantly deviate along two portions of the curve, reflecting the co-existence of “blending” and “misreport” effects. Light red and green shaded areas indicate the SEM around the retinotopic and control probabilities; asterisks indicate bins where the conditions significantly differed (p<0.05). N=16.