to discern whom among high-risk cases will specifically develop schizophrenia and its spectrum disorders (Brewer et al., 2003), which is agreement with evidence showing that impairments in odor identification are present before individuals develop psychotic symptoms (Woodberry et al., 2010). Moreover, a cross-sectional study found that CHR individuals were impaired not only in odor identification but also in odor discrimination, with both deficits being comparable to schizophrenia patients (Kamath et al., 2011).
