ArticleFrontiers in psychiatry2026
Altered long-range visual hierarchical connectivity in internet gaming disorder: reduced V1-LOC connectivity and its association with addiction severity.
Article in Frontiers in psychiatry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Neuroimaging studies of internet gaming disorder (IGD) have primarily focused on reward-related and executive-control networks. However, sensory processing of addiction-related cues, particularly visual processing, may also contribute to IGD. Whether the intrinsic hierarchical organization of the visual system is altered remains unclear. Methods: The study included 35 individuals with IGD and 30 healthy controls (HCs), with an overall age range of 9-33 years. The sample was predominantly composed of adolescents. An Results: V1-LOC connectivity was significantly reduced in the IGD group compared with HCs (HC: 0.364 ± 0.132; IGD: 0.130 ± 0.189; Conclusions: IGD is associated with altered long-range hierarchical connectivity within the visual system, particularly between early visual cortex and higher-order LOC. These findings provide a sensory-level perspective complementing reward- and control-centered accounts of IGD.
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