“…Second, most studies do not permit an assessment of the deficits in patients with delusions of control compared with patients with hallucinations, as they typically group together patients that manifest either delusions, hallucinations, or both these symptoms [10,17,19,20,23,[33][34][35][36]. In spite of these difficulties, several studies have found SM impairment specifically associated with delusions of influence (passivity delusions, alien control) [9,21,24,37,38] or hallucinations [16,18,26]. Impaired performance on SM tasks has, however, also been observed in patients without FRS [39][40][41][42][43].…”