Patients under-appreciated the pleasantness of amyl acetate at concentra- tions judged as pleasant bycontrols and over-rated its pleasantness at the concentration judged by controls, as relatively unpleasant (Kamath et al. , 2013).
First-degree family members of schizophrenia patients showed normal odor hedonic ratings (Kamath et al. , 2013; Schneider et al. , 2007).