title: The Scale for the Assessment of Negative Symptoms (SANS): conceptual and theoretical foundations.
authors.affiliation: Department of Psychiatry, University of Iowa College of Medicine.
authors.forename: N C
authors.initials: NC
authors.lastname: Andreasen
mesh_terms: D000342:Affective Symptoms / Q000523:psychology; D001288:Attention; D006801:Humans; D009042:Motivation; D011569:Psychiatric Status Rating Scales; D011594:Psychometrics; D012559:Schizophrenia / Q000175:diagnosis*; D012565:Schizophrenic Psychology; D013850:Thinking