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. 2014 Sep 15;8:681. doi: 10.3389/fnhum.2014.00681

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Copyright © 2014 Lich and Bremmer.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Estimation of maximum heading error. The dashed-dotted line shows the heading error for purely random behavioral performance, i.e., if heading values were randomly chosen with the same probability. The solid line represents simulated heading error if heading values were chosen according to a Gaussian probability function centered on straight-ahead [as shown in (B), see text for details]. Finally, the dashed line represents simulated heading error for choosing always the center of the screen.