Participants
Thirty right-handed volunteers (16 females and 14 males, mean age 23.9 ± 2.3 and 24.6 ± 2.8 respectively) took part to this study. Most of the participants were undergraduate students at the Department of Psychology (University of Turin) and were recruited from a participants’ database or through flyers posted on the University website. All experimental subjects gave written informed consent to participate, which was approved by the local ethics committee and performed in accordance with the Declaration of Helsinki. At the end of the experiment, all participants were informed about the aims and the scopes of the experiment and did not receive any compensation for participation in this research study.