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Association between childhood and adult attention deficit hyperactivity disorder symptoms in Korean young adults with Internet addiction

 DongIll Kim  ;  Deokjong Lee  ;  Junghan Lee  ;  Kee Namkoong  ;  Young-Chul Jung 
 JOURNAL OF BEHAVIORAL ADDICTIONS, Vol.6(3) : 345-353, 2017 
Journal Title
Issue Date
Adult ; Attention Deficit Disorder with Hyperactivity/psychology* ; Behavior, Addictive/psychology* ; Comorbidity ; Humans ; Internet* ; Interview, Psychological ; Linear Models ; Male ; Psychiatric Status Rating Scales ; Republic of Korea ; Severity of Illness Index ; Young Adult
Internet addiction ; attention deficit hyperactivity disorder ; hyperactivity ; impulsivity ; inattention
Background and aims Attention deficit hyperactivity disorder (ADHD) is one of the most common psychiatric comorbidities of Internet addiction (IA); however, the possible mechanisms that contribute to this high comorbidity are still under debate. This study aims to analyze these possible mechanisms by comparing the effect of IA severity and childhood ADHD on inattention, hyperactivity, and impulsivity in young adults with IA. We hypothesized that IA might have associations with ADHD-like cognitive and behavior symptoms aside from childhood ADHD. Methods Study participants consisted of 61 young male adults. Participants were administered a structured interview. The severity of IA, childhood and current ADHD symptoms, and psychiatry comorbid symptoms were assessed through self-rating scales. The associations between the severity of IA and ADHD symptoms were examined through hierarchical regression analyses. Results Hierarchical regression analyses showed that the severity of IA significantly predicted most dimensions of ADHD symptoms. By contrast, childhood ADHD predicted only one dimension. Discussion The high comorbidity of inattention and hyperactivity symptoms in IA should not solely be accounted by an independent ADHD disorder but should consider the possibility of cognitive symptoms related to IA. Functional and structural brain abnormalities associated with excessive and pathologic Internet usage might be related to these ADHD-like symptoms. Conclusion Inattention and hyperactivity in young adults with IA are more significantly associated with the severity of IA than that of childhood ADHD.
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1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Kim, DongIll(김동일)
Namkoong, Kee(남궁기) ORCID logo https://orcid.org/0000-0003-1400-8057
Lee, Deokjong(이덕종) ORCID logo https://orcid.org/0000-0002-5425-4677
Lee, Junghan(이정한)
Jung, Young Chul(정영철) ORCID logo https://orcid.org/0000-0002-0578-2510
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