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. 2015 May 15;7:63. doi: 10.3389/fnagi.2015.00063

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Copyright © 2015 Marmel, Rodríguez-Mendoza and Lopez-Poveda.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and 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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Input/Output functions showing the actual levels of the pre-generated stimuli (“output level”) as a function of their level before stochastic undersampling (“input level”), for the two shortest durations (5 and 10 ms), processed with 300 and 1000 stochastic samplers. Blank stimuli are also shown. The size of the circles marking the data points varies to indicate the proportions of blank and non-blank stimuli (either 1, 2, or 3 out of the 3 pre-generated stimuli) for each level. Levels above 40 dB SPL are not plotted because none of the stimuli pre-generated for those levels was blank. The shaded areas indicate the ranges of detection thresholds across participants.