NDLI: Functional characteristics of the brain in college students with internet gaming disorder

Content Provider	Springer Nature Link
Author	Liu, Jun Li, Weihui Zhou, Shunke Zhang, Li Wang, Zhiyuan Zhang, Yan Jiang, Yebin Li, Lingjiang
Copyright Year	2015
Abstract	Internet gaming disorder (IGD) is a subtype of internet addiction disorder (IAD), but its pathogenesis remains unclear. This study investigated brain function in IGD individuals using task-state functional magnetic resonance imaging (fMRI). It is a prospective study in 19 IGD individuals and 19 matched healthy controls. They all received internet videogame stimuli while a 3.0 T fMRI was used to assess echo planar imaging. Brain activity was analyzed using the Brain Voyager software package. Functional data were spatially smoothed using Gaussian kernel. The threshold level was positioned at 10 pixels, and the activation range threshold was set to 10 voxels. Activated brain regions were compared between the two groups, as well as the amount of activated voxels. The internet videogame stimuli activated brain regions in both groups. Compared with controls, the IGD group showed increased activation in the right superior parietal lobule, right insular lobe, right precuneus, right cingulated gyrus, right superior temporal gyrus, and left brainstem. There was a significant difference in the number of activated voxels between the two groups. An average of 1078 voxels was activated in the IGD group compared with only 232 in the control group. Internet videogame play activates the vision, space, attention, and execution centers located in the occipital, temporal, parietal, and frontal gyri. Abnormal brain function was noted in IGD subjects, with hypofunction of the frontal cortex. IGD subjects showed laterality activation of the right cerebral hemisphere.
Starting Page	60
Ending Page	67
Page Count	8
File Format	PDF
ISSN	19317557
Journal	Brain Imaging and Behavior
Volume Number	10
Issue Number	1
e-ISSN	19317565
Language	English
Publisher	Springer US
Publisher Date	2015-03-13
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Internet addiction disorder Internet gaming disorder Functional magnetic resonance imaging Internet video game play Task-state functional magnetic resonance imaging Neurosciences Neuroradiology Neuropsychology Psychiatry
Content Type	Text
Resource Type	Article
Subject	Neurology Radiology, Nuclear Medicine and Imaging Cognitive Neuroscience Behavioral Neuroscience Neurology (clinical) Cellular and Molecular Neuroscience Psychiatry and Mental Health

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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