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. Author manuscript; available in PMC: 2012 Dec 8.
Published in final edited form as: Vision Res. 2011 Oct 26;51(23-24):2378–2385. doi: 10.1016/j.visres.2011.09.016

Figure 8.

Figure 8

Comparison of performance (solid circles for human subjects, solid shaded area for the model) and bias (open squares for human subjects, dashed region for model) in the TTC task with irrelevant angular motion added. Human psychophysical data is compared to (A) a model based on looming velocity alone, (B) a model using the τmargin formulation, and (C) a model using the τ weighted formulation. Error bars and shading are ±1 standard deviation across subjects and model simulations respectively.