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. 2015 May 2;12:44. doi: 10.1186/s12984-015-0037-1

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© Zhang et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Average behavior results in comparison between SF or NF.(a) accuracy and (b) response time. Position: discriminating electrotactile position, and its accuracy is given by A C _p. Type: discriminating the electrotactile type, and its accuracy is given by A C _t. Strength: discriminating the electrotactile strength, and its accuracy is given by A C _s. All: discriminating all the three electrotactile patterns, and its accuracy is given by A C _a. The symbol ∗ between two bars * indicates statistical significance at the p=0.05 level. Error bars depict the standard deviation.