Eye-tracking is a tracking system through which is possible to study the emotional recognitionof subjects diagnosed with social anxiety. Given the importance of facial expressions and theirrecognition, the aim of this study was to investigate the recognition of emotions in faces as well aseye behavior in subjects with social anxiety, using eye-tracking technology, to understand whetherindividuals with high anxiety revealed different attentional patterns concerning subjects with low orno social anxiety. For this purpose, a systematic review was carried out, resulting in 20 articles. Withregard to the main results, it was found that ocular patterns are concentrated mainly in the ocularregion when participants are in the presence of emotions considered negative, while in the presenceof positive emotions, eye patterns directed towards the mouth region were observed. Regarding theattentional processes in social anxiety, what is commonly observed in the literature is an effect ofinitial hypervigilance and later avoidance, especially in the case of negative facial expressions such asanger. However, the present review showed disagreement between the researchers. It is concludedthat, in general, eye-tracking systems are advantageous, with applicability in subclinical and clinicalpopulations, such as social anxiety.
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