Internet addiction disorder (IAD), also described as pathological Internet use, is the inability of an individual to control his or her use of the Internet, eventually causing psychological, social, and/or work difficulties [11] and [30]. Studies reveal the correlation between low impulse control and other addictive behaviors, such as pathological gambling, substance abuse, and alcohol abuse. Barnes et al. found that lower impulse control is a significant predictor of alcohol misuse for females and delinquency for males [1]. Vitaro et al. used a prospective-longitudinal design to investigate whether measuring low impulse control in 12–14-year-olds could predict engagement in gambling in late adolescence [29]. Moeller et al. found that impulsivity is a significant predictor of cocaine use and treatment retention [25]. Cavedini et al. also explored the relationship between the ventromedial orbitofrontal circuits and pathological gambling [10].
Researchers believe that Internet addiction is an impulse disorder or at least related to impulse control disorder [2] and [30] because pathological gamblers, drug addicts, and alcohol abusers may share similar neuropsychological and personality characteristics with Internet addicts. Using questionnaires, Cao showed a specific relationship between impulse control and Internet addiction [9]. In the current study, the neuroactivity of the impulse control process in IAD was explored to determine whether impulse control is impaired in people with IAD. If IAD is related to lower impulse control, this research is likely to demonstrate that neuropsychological characteristics of IAD may be similar to those of other disorders. However, few electrophysiological studies about the relationship between IAD and impulse control have been done. Thus, this study aims to assess whether Internet addiction is related to impaired impulse control based on electrophysiological evidence.
Internet addiction disorder (IAD), also described as pathological Internet use, is the inability of an individual to control his or her use of the Internet, eventually causing psychological, social, and/or work difficulties [11] and [30]. Studies reveal the correlation between low impulse control and other addictive behaviors, such as pathological gambling, substance abuse, and alcohol abuse. Barnes et al. found that lower impulse control is a significant predictor of alcohol misuse for females and delinquency for males [1]. Vitaro et al. used a prospective-longitudinal design to investigate whether measuring low impulse control in 12–14-year-olds could predict engagement in gambling in late adolescence [29]. Moeller et al. found that impulsivity is a significant predictor of cocaine use and treatment retention [25]. Cavedini et al. also explored the relationship between the ventromedial orbitofrontal circuits and pathological gambling [10].
Researchers believe that Internet addiction is an impulse disorder or at least related to impulse control disorder [2] and [30] because pathological gamblers, drug addicts, and alcohol abusers may share similar neuropsychological and personality characteristics with Internet addicts. Using questionnaires, Cao showed a specific relationship between impulse control and Internet addiction [9]. In the current study, the neuroactivity of the impulse control process in IAD was explored to determine whether impulse control is impaired in people with IAD. If IAD is related to lower impulse control, this research is likely to demonstrate that neuropsychological characteristics of IAD may be similar to those of other disorders. However, few electrophysiological studies about the relationship between IAD and impulse control have been done. Thus, this study aims to assess whether Internet addiction is related to impaired impulse control based on electrophysiological evidence.
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