“…A review of 18 samples found a mean correlation of r = .23 between alexithymia and somatic symptoms and also found that alexithymia was more prevalent in people with somatoform disorders than in healthy controls (De Gucht & Heiser, 2003). Several recent studies have supported this (De Gucht, Fischler, & Heiser, 2004a, 2004bWearden, Lamberton, Crook, & Walsh, 2005), although the effect may be stronger in clinical than in healthy populations (Karvonen et al, 2005). Of course, symptoms often accompany disease, and several studies have tried to separate the contribution of alexithymia to symptoms versus disease.…”