Validation of the aberrant salience inventory in a general and clinical Spanish population

Background: The concept of aberrant salience is related to the onset of psychosis. Its study is important for early identification and possible intervention in processes activating later positive symptoms. Objectives: This study validated the Spanish Aberrant Salience Inventory (ASI) for adult and clinical populations. Methods: The sample consisted of 6178 participants, of whom 4523 were adolescents, 1292 were general population adults and 363 were patients with a psychopathology. Results: The evidence provided validates the instrument's structure. Invariance of measurement suggests that both men and women, patients and nonclinical population (adults and adolescents) interpreted the items on the ASI similarly. The distribution of scores by age also suggests stabilization of the trend at about 19 years of age, showing a developmental change in motivational response. The hypothesis that patients, and in particular, those diagnosed with schizophrenia and other psychotic disorders and bipolar disorders would have the highest average scores in aberrant salience was met. Conclusions: This is a valuable instrument for evaluating a complex process related to abnormal motivation in the development of schizophrenia.

Abstract licence: CC BY-NC

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