“…As no pulmonary physiological deficit could explain this variability (Boulet and Turcotte, 2007), subjects were categorized in over-, normo-and poor-perceivers (Boulet et al, 1994). Based on clinical and experimental observations (De Peuter et al, 2008;Giardino et al, 2010;Li and Puntillo, 2006;Livermore et al, 2008;Nardi et al, 2009;Spinhoven et al, 1997;von Leupoldt et al, 2006), the idea emerged that psychological factors could modify respiratory sensory perception (Boulet et al, 1991;Gibson, 1995). However, objective modulation of respiratory sensory processing by emotion has not been studied extensively.…”