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Updated: Jan 8, 2026

Comparing Eye-tracking Data of Children with High-functioning ASD, Comorbid ADHD, and of a Control Watching Social Videos
Published on: December 7, 2018
Heightened sensitivity to negative crowd facial expressions in individuals with a high tendency for problematic
Zhi Yang1, Xinlan Xu1, Renhao Liu1
1Institute of Psychological and Brain Science, Liaoning Normal University, Dalian 116029, China; Key Laboratory of Brain and Cognitive Neuroscience, Dalian 116029, China.
Abstract:
Social factors are regarded as key contributors to the development of problematic social networking site use (PSNSU). The processing of crowd facial expressions, an important social cue, remains unclear among individuals with PSNSU. This study investigated differences in the processing of crowd negative facial expressions between individuals with high (HPSNSU) and low (LPSNSU) tendencies for PSNSU. Participants judged intensity differences between crowds and a probe face, while electroencephalography (EEG) was recorded during the crowd presentation. The results showed that the HPSNSU group exhibited higher sensitivity to the intensity differences. Importantly, the amplitude of vertex positive potential (VPP) was significantly higher in the HPSNSU group compared to that of the LPSNSU group. Furthermore, brain networks in the HPSNSU group exhibited lower modularity around the N170/VPP time window. These results suggest that individuals with HPSNSU may be particularly attentive to social cues, providing partial support for the notion that fear of missing out (FoMO) contributes to the development of PSNSU. Our study advances the understanding of the role of social factors in PSNSU development and provides implications for prevention and intervention strategies.
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