Publikation: Diffusion-weighted MRI measures suggest increased white-matter integrity in Internet gaming disorder : Evidence from the comparison with recreational Internet game users
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Several studies have suggested that Internet gaming disorder (IGD) is related to altered brain white matter integrity. However, seeming inconsistencies exist and may reflect comparison groups not matched well for certain gaming characteristics. In order to address this possible concern, we recruited in the present study individuals with recreational Internet game use (RGU) comprised of individuals who spend similar amounts of time as IGD subjects playing online games without developing IGD. Diffusion tensor imaging data were collected from 42 IGD and 44 RGU subjects. Whole-brain comparisons showed that IGD subjects demonstrated increased fractional anisotropy (FA) in the bilateral anterior thalamic radiation, anterior limb of the internal capsule, bilateral corticospinal tract, bilateral inferior fronto-occipital fasciculus, corpus callosum, and bilateral inferior longitudinal fasciculus. In addition, Internet-addiction severity was positively correlated with FA values. Taken together, we conclude that IGD is associated with measures of increased white-matter integrity in tracts linking reward circuitry and sensory and motor control systems.
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DONG, Guangheng, Lingdan WU, Ziliang WANG, Yifan WANG, Xiaoxia DU, Marc N. POTENZA, 2018. Diffusion-weighted MRI measures suggest increased white-matter integrity in Internet gaming disorder : Evidence from the comparison with recreational Internet game users. In: Addictive Behaviors. 2018, 81, pp. 32-38. ISSN 0306-4603. eISSN 1873-6327. Available under: doi: 10.1016/j.addbeh.2018.01.030BibTex
@article{Dong2018-06Diffu-42305,
year={2018},
doi={10.1016/j.addbeh.2018.01.030},
title={Diffusion-weighted MRI measures suggest increased white-matter integrity in Internet gaming disorder : Evidence from the comparison with recreational Internet game users},
volume={81},
issn={0306-4603},
journal={Addictive Behaviors},
pages={32--38},
author={Dong, Guangheng and Wu, Lingdan and Wang, Ziliang and Wang, Yifan and Du, Xiaoxia and Potenza, Marc N.}
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<dcterms:abstract xml:lang="eng">Several studies have suggested that Internet gaming disorder (IGD) is related to altered brain white matter integrity. However, seeming inconsistencies exist and may reflect comparison groups not matched well for certain gaming characteristics. In order to address this possible concern, we recruited in the present study individuals with recreational Internet game use (RGU) comprised of individuals who spend similar amounts of time as IGD subjects playing online games without developing IGD. Diffusion tensor imaging data were collected from 42 IGD and 44 RGU subjects. Whole-brain comparisons showed that IGD subjects demonstrated increased fractional anisotropy (FA) in the bilateral anterior thalamic radiation, anterior limb of the internal capsule, bilateral corticospinal tract, bilateral inferior fronto-occipital fasciculus, corpus callosum, and bilateral inferior longitudinal fasciculus. In addition, Internet-addiction severity was positively correlated with FA values. Taken together, we conclude that IGD is associated with measures of increased white-matter integrity in tracts linking reward circuitry and sensory and motor control systems.</dcterms:abstract>
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