인터넷 중독 성향을 보이는 남자 청소년들의 기질 특성과 유전자 다형성

• 영문명: Temperament and Genetic Polymorphism in Korean Male Adolescents with Internet Addiction Tendency
• 발행기관: 대한신경정신의학회
• 저자명: 김은영 이영식 한덕현 서동수 기백석
• 간행물 정보: 『신경정신의학』제45권 제5호, 468~475쪽, 전체 8쪽
• 주제분류: 의약학 > 정신과학
• 파일형태: PDF
• 발행일자: 2006.09.30

영문 초록

Objectives：Among chemical and non-chemical dependence, internet addiction is one of the most frequent addictive behavior in adolescent. This study was performed to detect certain temperamental and genetic characteristics in adolescent with internet addiction tendency. Methods：87 adolescents with internet addiction tendency (AIT) and 78 adolescents without internet addiction tendency (NAIT) were classified by Young’s Internet Addiction Test. Cloninger’s Temperament Character Inventory and 6 candidate genes of drug addiction (DRD2 TaqI A, DRD4, DAT1, 5-HTTLPR, NET-8, and COMT) polymorphisms were tested between two groups. Results：Novelty Seeking scores (p=0.001) and Harm Avoidance scores (p=0.042) were significantly higher in AIT. The frequency of DRD2-A1/A1 genotype and G allele of NET-8 in AIT was higher than that in NAIT. In AIT, Novelty Seeking scores were significantly different (p=0.011) according to NET-8 genotypes (G/G>G/A>A/A). Conclusion：These data suggest that male adolescents with internet addiction tendency have the specific temperament and genetic polymorphisms like chemical dependence

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키워드

Internet addiction tendency Male adolescent Temperament Genetic polymorphism