Neural substrates of deficient cognitive control in individuals with severe internet gaming disorder
Copyright © 2021 The Author(s). Published by Elsevier Inc. All rights reserved..
BACKGROUND AND AIMS: Internet gaming disorder (IGD) is rapidly becoming a worldwide health concern. The prefrontal-subcortical model of self-regulation emphasizes that an impaired prefrontal cognitive control system and an overwhelming subcortical reward-seeking system are both crucial factors in health problems, including addiction. This study focused on the cognitive control system of IGD, aiming to investigate whether cognitive control is altered and the underlying neural correlates in college students with IGD.
METHODS: Thirty college students with IGD and twenty-five matched healthy controls were asked to complete a stop-signal task that measures cognitive control while being monitored by functional magnetic resonance imaging (fMRI).
RESULTS: Compared to the controls, only the college students with severe IGD, rather than those with mild IGD, had deficient brain activity involved in inhibitory control and response execution (specifically, the inferior frontal gyrus, anterior cingulate cortex and primary motor cortex); this result implies that cognitive control deficits are closely linked to addiction severity in individuals with IGD. Regarding performance monitoring function, college students with IGD exhibited unabated behavioral and brain activity, as did the control group.
CONCLUSIONS: Combined with our previous finding that the subcortical reward system was enhanced in individuals with IGD, the present findings extend the prefrontal-subcortical model of self-regulation from the perspective of IGD in a college student population and thus provide useful insight for the effective prevention and treatment of IGD.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:32 |
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| Enthalten in: |
NeuroImage. Clinical - 32(2021) vom: 15., Seite 102828 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Lingxiao [VerfasserIn] |
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| Links: |
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| Themen: |
Addiction severity |
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| Anmerkungen: |
Date Completed 19.01.2022 Date Revised 19.01.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.nicl.2021.102828 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM33124697X |
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| 100 | 1 | |a Wang, Lingxiao |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Neural substrates of deficient cognitive control in individuals with severe internet gaming disorder |
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| 500 | |a Date Completed 19.01.2022 | ||
| 500 | |a Date Revised 19.01.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2021 The Author(s). Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a BACKGROUND AND AIMS: Internet gaming disorder (IGD) is rapidly becoming a worldwide health concern. The prefrontal-subcortical model of self-regulation emphasizes that an impaired prefrontal cognitive control system and an overwhelming subcortical reward-seeking system are both crucial factors in health problems, including addiction. This study focused on the cognitive control system of IGD, aiming to investigate whether cognitive control is altered and the underlying neural correlates in college students with IGD | ||
| 520 | |a METHODS: Thirty college students with IGD and twenty-five matched healthy controls were asked to complete a stop-signal task that measures cognitive control while being monitored by functional magnetic resonance imaging (fMRI) | ||
| 520 | |a RESULTS: Compared to the controls, only the college students with severe IGD, rather than those with mild IGD, had deficient brain activity involved in inhibitory control and response execution (specifically, the inferior frontal gyrus, anterior cingulate cortex and primary motor cortex); this result implies that cognitive control deficits are closely linked to addiction severity in individuals with IGD. Regarding performance monitoring function, college students with IGD exhibited unabated behavioral and brain activity, as did the control group | ||
| 520 | |a CONCLUSIONS: Combined with our previous finding that the subcortical reward system was enhanced in individuals with IGD, the present findings extend the prefrontal-subcortical model of self-regulation from the perspective of IGD in a college student population and thus provide useful insight for the effective prevention and treatment of IGD | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Addiction severity | |
| 650 | 4 | |a Cognitive control | |
| 650 | 4 | |a Internet gaming disorder | |
| 650 | 4 | |a Prefrontal-subcortical model of self-regulation | |
| 650 | 4 | |a Stop-signal task | |
| 650 | 4 | |a fMRI | |
| 700 | 1 | |a Yang, Guochun |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Ya |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Zhenghan |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Ping |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Qi |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Kesong |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xun |e verfasserin |4 aut | |
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