1 Running Head: Feelings of error Feelings of error in reasoning – in search of a phenomenon Amelia Gangemi 1,3,* Sacha Bourgeois-Gironde 2 and Francesco Mancini 3 1 Department of Cognitive Science University of Messina Via Concezione, 6-8, 90128-Messina, Italy 2 Institut Jean-Nicod, CNRS-EHESS-ENS 29, rue d’Ulm, 75005 Paris, France. 3 Scuola di Specializzazione in Psicoterapia Cognitiva Viale Castro Pretorio,116, 00185-Rome, Italy * Corresponding author. Tel.:+39-06-3216801; fax:+39-06-3222743. E-mail address: gangemia@unime.it