Negative symptom domain prevalence across diagnostic boundaries: The relevance of diagnostic shifts.

摘要: Negative symptoms are included in diagnostic manuals as part of criteria for schizophrenia spectrum psychoses only, however some studies have found their presence other diagnoses. This study sought to clarify negative symptom domain prevalence across categories, while investigating whether predicted shift over time. Scale the Assessment Symptoms (SANS) data were collected at first presentation 197 individuals presenting with episode psychosis and again one year follow-up assessment. highest among those whose diagnosis shifted from non-schizophrenia baseline follow-up. In a group not significant predictor The suggests can present diagnoses, although this is most relevant following findings support introduction dimension when describing range psychotic illnesses, indicate that further research evolution diagnoses needed.