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KMID : 0981220170170020251
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Congnitive Behavior Therapy in Korea
2017 Volume.17 No. 2 p.251 ~ p.266
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Perceptual Sensitivity and Response Bias of Face Detection in Social Anxiety
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Yang Jae-Won
Baek Jong-Soo
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Abstract
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Cognitive model of social anxiety hypothesized that social anxiety begins as people are aware of potential evaluators. The purpose of this study was to investigate the relationships between social anxiety symptom and perceptual sensitivity and response bias of face detection that symbolize potential evaluator. Participants were quickly presented with a pictural stimulus with varying amount of facial information(0∼50%) and requested to report whether a human face was embedded in the stimulus or not. By using signal detection theory, perceptual sensitivity(d’) and response criterion(β) were calculated from participants’ responses. A set of conventional self-reported scales assessed social anxiety and depression symptoms were also completed. We found that the levels of social anxiety were positively correlated with perceptual sensitivity to face. When the levels of depression were controlled, the correlation between the levels of social anxiety and sensitivity to face was marginally significant. These findings suggest that socially anxious individuals have a tendency to perceive social situations more easily. Overall, the present study adds a supporting evidence for the cognitive model of social anxiety.
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KEYWORD
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social anxiety, cognitive model, face detection, signal detection theory
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