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. Author manuscript; available in PMC: 2012 Mar 28.
Published in final edited form as: J Neurosci. 2011 Sep 28;31(39):13949–13962. doi: 10.1523/JNEUROSCI.2732-11.2011

Figure 9. Simulated effects of visual PSE-shift variability.

Figure 9

Each subplot presents a simulated probability density function (PDF) corresponding to the subplots in Figure 4. Left, middle and right columns represent low, medium and high reliability ratios (RRs), respectively. All PDFs were generated from two bivariate Gaussians: one with mean (1°,-1°) and the other with mean (−1°,1°). Gaussian variances were set according to the actual PSE-shift variances extracted from the human and monkey data (A and B, respectively). Vestibular PSE-shift variance was set according to the overall variance, and did not change for different RRs: 2.4° for the human data and 7.0° for the monkey data. Visual PSE-shift variance was set individually for low medium and high-RR: 15.0°, 2.3° and 1.2°, respectively, for the human data; and 9.0°, 3.4° and 0.8°, respectively, for the monkey data. A type-II regression line of 2000 data-points, generated from each PDF, is displayed in white. The regression lines were constrained to pass through the origin.