Evolution of the posterior distribution. a, The posterior probabilities for the saccade choice (TG) and the three distractor locations (D1, D2, and D3) are plotted over time in the 100% performance accuracy condition and the uniform prior. b, The same as in a for the nonuniform prior. c, The same as in a for the 70–99% performance accuracy condition. d, The same as in b for the 70–99% performance accuracy condition. e, The same as in a and c for the <70% accuracy condition. f, The same as in b and d for the <70% accuracy condition. In all panels, the thick black line is the TG, D1 is the thin black line, D2 is the dotted line, and D3 is the dashed line. The horizontal dotted line indicates chance probability (25%). The vertical dotted line indicates the mean saccade reaction time (RT).