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. 2014 Dec 10;5:1431. doi: 10.3389/fpsyg.2014.01431

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Copyright © 2014 Serrano-Pedraza, Romero-Ferreiro, Read, Diéguez-Risco, Bagney, Caballero-González, Rodríguez-Torresano and Rodriguez-Jimenez.

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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Contrast detection thresholds as a function of the experimental condition. For this analysis, we selected the controls in which contrast detection thresholds in the condition No-Surround were higher that the mean of the group for that condition, and the patients, in which contrast detection thresholds for No-Surround condition, were lower that the mean of the group. Bars represent the mean + SEM. Gray bars, data of patients; white bars, data of controls. p-values were obtained using two-tailed t-test (α = 0.05). Asterisks (*) correspond to significant differences between the means of the contrast detection thresholds. Note that in the condition Parallel Surround the patients have significant lower thresholds than controls.