Abstract
Objective: To explore the characteristics of fear expression recognition in the patients with first-episode schizophrenia. Methods: Based on the case-control design, the Ekman facial expression database was used to research the subjects’ overall response rate of low / high fear facial expression, accuracy rate of low / high level fear and its response time in the control group (28 cases) and the first-episode schizophrenic patient group (27 cases) with matching gender (p = 0.696), age (p = 0.255) and education level (p = 0.895). Results: The high level fear accuracy rate (50.41 ± 6.18) of case group was lower than that of the control group (68.29 ± 4.27, p = 0.034). The response time (362.84 ± 25.23) of low-level fear of healthy control group was positively correlated with the accuracy rate (21.79 ± 2.28) (r = 0.494, p = 0.008); the negative symptom of case group (23.35 ± 10.56) was negatively correlated with the accuracy rate of high level fear (r = -0.428, p = 0.042). Conclusion: The patients with first-episode schizophrenia have the disorder of high-level fear recognition and the accuracy rate of fear facial expression recognition can reveal the negative symptoms of the patients.
Highlights
E symptoms and emotional symptoms [1]
Schizophrenia is often accompanied by thinking, emotion, behavior, and cognitive disorders, and the schizophrenic symptoms can be divided into positive symptoms, negative symptoms, cognitive
The emotional symptoms of schizophrenia patients can be expressed as the discordance between inner emotional experience and exterior environment
Summary
E symptoms and emotional symptoms [1]. The emotional symptoms of schizophrenia patients can be expressed as the discordance between inner emotional experience and exterior environment. Increasingly, schizophrenia patients’ abilities were damaged in recognizing all kinds of facial expressions, but there exist differences among them [3], and in all facial expressions, the incidence rate of fear-based negative emotion recognition disorders was significantly higher than that of positive emotions, like happiness [4]. Et al [6] reported that the fear-based facial expression recognition defect existed in the European population. China has not yet clearly explored the characteristics of low fear recognition rate for schizophrenia, especially whether such is universal in the first-episode schizophrenia. The universality and relationship between first-episode schizophrenia and emotional treatment injury was demonstrated by comparing the recognition status of fear expression of first-episode schizophrenia patients
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