Skip to main content
. 2019 Mar 18;9:4790. doi: 10.1038/s41598-019-41250-w

Figure 3.

Figure 3

Animals can perform exact orientation discrimination. (a) Top left: Average hit index as a function of ΔOri for one animal in the original task. Circles: Average performance per ΔOri. Red line: Fitted sigmoid function. Black line: Chance level. Black dashed line: Criterion value for significant orientation discrimination (α = 0.05, see Methods). Top centre and top right: Same for target distance and PR score, respectively. Middle and bottom row: Same for first and second reversal, respectively. (b) Visual thresholds for five animals across original task and two rule reversals, estimated using a conjunction of hit index, target distance and PR score. Black lines: Animals. Dashed line: Animal shown in a. Red diamonds: Mean visual thresholds. Red lines: Mean ± Std.Dev. Correlations are shown above the panel (n = 5; all p > 0.05).