청소년 인터넷 중독의 심리생리학적 특성: 휴식기 정량적 뇌파 연구 = Psychophysiological Characteristics of teenage internet addiction: A resting state qEEG study

다국어 초록 (Multilingual Abstract)

Internet Addiction(IA) is associated with various disorders such as substance use disorder, ADHD, and impulse control disorder. In the present study, we purposed to investigate the resting state EEG pattern of an IA group, without any other psychiatric disorders, to identify psychophysiological characteristics of IA. Twenty adolescent patients with IA were compared to 20 healthy controls, matching for age and sex participated this study. A resting state EEG record was obtained through 30 sites of the whole scalp. In comparison with the control group, the IA group showed a significant higher beta1 and gamma EEG amplitude. This activation pattern has proven to be similar to substance use disorder.

국문 초록 (Abstract)

인터넷 중독은 물질 사용 장애, ADHD, 충동 조절 장애 등 다양한 장애와 관련된 것으로 알려져있다. 이렇게 다양한 장애와의 관련성은 인터넷 중독에 대한 명확한 개념화 및 진단 준거 마련을어렵게 만들고 있다. 본 연구는 휴식기 정량적 뇌파 분석을 통해 공존질환을 지니지 않은 인터넷중독 집단 고유의 심리생리학적 기전을 규명하고자 하였다. 20명의 인터넷 중독 집단과 연령, 성별, 교육연한이 일치하는 20명의 통제 집단이 본 연구에 참가하였다. 휴식기 뇌파를 측정한 뒤, 주파수 대역 별 절대파워와 영역 간 시간적 동조성에 대하여 분석하였다. 연구 결과 인터넷 중독집단은 Beta1 및 Gamma 대역에서 통제 집단에 비해 유의하게 높은 진폭을 나타내었으며, 인터넷 중독의 심각도는 Beta1 대역 진폭과 정적 상관을 보였다. 이는 물질 사용 장애에서 나타나는뇌파 패턴과 유사한 것으로, 인터넷 중독이 중독 장애의 하위 장애로 개념화되는 데에 대한 한가지 근거가 될 수 있다. 끝으로 본 연구의 의의와 한계점에 대하여 논하였다.

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