Changes of mind without post-lift off thresholds.

<p>(<b>A</b>) Changes of mind in human participants. Thick color lines are averages colored by numerical ratio. Arrows on the x-axis are a mean proxy of where the change of mind first appeared (the x coordinates of the minimum points of the thick lines). (<b>B</b>) Changes of mind produced by a parametrization of the model. (<b>C</b>) They increased with cognitive difficulty, both in the model and human data. The minority of changes of mind were from correct to incorrect (gold). (<b>D</b>) Examples of double changes of mind in the model and human data.