Neuroanatomical and functional substrates of the short video addiction and its association with brain transcriptomic and cellular architecture

Neuroanatomical and functional substrates of the short video addiction and its association with brain transcriptomic and cellular architecture

Short video addiction (SVA) has emerged as a growing behavioral and social issue, driven by the widespread use of digital platforms that provide highly engaging, personalized, and brief video content. We investigated the neuroanatomical and functional substrates of SVA symptoms, alongside brain tran...

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Main Authors: Yuanyuan Gao, Ying Hu, Jinlian Wang, Chang Liu, Hohjin Im, Weipeng Jin, Wenwei Zhu, Wei Ge, Guang Zhao, Qiong Yao, Pinchun Wang, Manman Zhang, Xin Niu, Qinghua He, Qiang Wang
Format: Article
Language:English
Published: Elsevier 2025-02-01
Series:NeuroImage
Subjects:
Short video addiction
Gray matter volume
IS-RSA
Transcriptomic profile
Online Access:http://www.sciencedirect.com/science/article/pii/S105381192500031X
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Summary:Short video addiction (SVA) has emerged as a growing behavioral and social issue, driven by the widespread use of digital platforms that provide highly engaging, personalized, and brief video content. We investigated the neuroanatomical and functional substrates of SVA symptoms, alongside brain transcriptomic and cellular characteristics, using Inter-Subject Representational Similarity Analysis (IS-RSA) and transcriptomic approaches. Behaviorally, we found that dispositional envy was associated with SVA. Structurally, SVA was positively correlated with increased morphological volumes in the orbitofrontal cortex (OFC) and bilateral cerebellum. Functionally, the dorsolateral prefrontal cortex (DLPFC), posterior cingulate cortex (PCC), cerebellum, and temporal pole (TP) exhibited heightened spontaneous activity, which was positively correlated with SVA severity. Transcriptomic and cellular analyses also showed specific genes linked to gray matter volume (GMV) associated with SVA, with predominant expression in excitatory and inhibitory neurons. These genes showed distinct spatiotemporal expression patterns in the cerebellum during adolescence. This study offers a comprehensive framework integrating structural, functional, and neurochemical evidence to highlight the neural-transcriptomic underpinnings of SVA symptoms in a non-clinical population.
ISSN:1095-9572

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