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. 2014 Sep 24;8:286. doi: 10.3389/fnins.2014.00286

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Copyright © 2014 Betella, Zucca, Cetnarski, Greco, Lanatà, Mazzei, Tognetti, Arsiwalla, Omedas, De Rossi and Verschure.

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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Study 2: self-assessment questionnaire (based on SAM and Affective Slider) to test for awareness of CSs. CS+ (photo camera) and CS− (remote control) were presented separately and in random order.