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. 2017 Jan 13;32(3):514–521. doi: 10.3346/jkms.2017.32.3.514

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© 2017 The Korean Academy of Medical Sciences.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2 — Intra-hemispheric coherence comparisons between ADHD+IGD and ADHD-only groups. Intra-hemispheric coherence values for the delta band between P4–O2 electrodes were higher in the ADHD+IGD group compared to the ADHD-only group (F = 8.29, P = 0.001, solid line). Intra-hemispheric theta band coherence values between P4–O2 (F = 10.09, P < 0.001) and T4–T6 (F = a6.63, P = 0.003) electrodes, for the alpha band between P4–O2 (F = 12.39, P < 0.001) electrodes, and for the beta band between P4–O2 (F = 9.76, P < 0.001) electrodes were significantly higher in the ADHD+IGD group compared to the ADHD-only and HC groups (dotted lines) (see Table 4).

ADHD+IGD = attention deficit hyperactivity disorder comorbid with internet gaming disorder, ADHD-only = attention deficit hyperactivity disorder without comorbidity, HC = healthy control.