Deficits in olfactory performance have been reported in schizophrenia but results on subjective odour ratings remain unclear. Compared to controls (N=34), schizophrenia inpatients (N=34) expressed deficits concerning odour threshold, discrimination and identification but intact intensity ratings. Most interestingly, patients showed an increased rating range concerning olfactory hedonic judgements.

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http://dx.doi.org/10.1016/j.psychres.2012.09.052DOI Listing

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