A research study involving adults with schizophrenia looked at their facial expressions in home movies taken when they were children. The researchers were trying to determine if the development of schizophrenia could be predicted by facial expressions showing limited emotional reactions. This research study focused on the negative symptom called

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Affective flattening is a negative symptom of schizophrenia characterized by reduced or limited emotional expression, including facial expressions. This research study aims to predict the development of schizophrenia based on this symptom, suggesting that affective flattening may be an early indicator of the disorder.

A Research Study Involving Adults with Schizophrenia Looked at Their