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      Is there a shared neurobiology between aggression and Internet addiction disorder?

      Author(s): 1 , 1
      Publication date (Electronic):
      Journal: Journal of Behavioral Addictions
      Publisher: Akadémiai Kiadó
      Keywords: Internet, addiction, neurobiology, aggression

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          The neural basis of addiction: a pathology of motivation and choice.

          Peter Kalivas, Nora D. Volkow (2005)
          A primary behavioral pathology in drug addiction is the overpowering motivational strength and decreased ability to control the desire to obtain drugs. In this review the authors explore how advances in neurobiology are approaching an understanding of the cellular and circuitry underpinnings of addiction, and they describe the novel pharmacotherapeutic targets emerging from this understanding. Findings from neuroimaging of addicts are integrated with cellular studies in animal models of drug seeking. While dopamine is critical for acute reward and initiation of addiction, end-stage addiction results primarily from cellular adaptations in anterior cingulate and orbitofrontal glutamatergic projections to the nucleus accumbens. Pathophysiological plasticity in excitatory transmission reduces the capacity of the prefrontal cortex to initiate behaviors in response to biological rewards and to provide executive control over drug seeking. Simultaneously, the prefrontal cortex is hyperresponsive to stimuli predicting drug availability, resulting in supraphysiological glutamatergic drive in the nucleus accumbens, where excitatory synapses have a reduced capacity to regulate neurotransmission. Cellular adaptations in prefrontal glutamatergic innervation of the accumbens promote the compulsive character of drug seeking in addicts by decreasing the value of natural rewards, diminishing cognitive control (choice), and enhancing glutamatergic drive in response to drug-associated stimuli.
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            Issues for DSM-V: internet addiction.

            Jerald J Block (2008)
            Article 0 comments Cited 317 times – based on 0 reviews     Review now
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              The comorbid psychiatric symptoms of Internet addiction: attention deficit and hyperactivity disorder (ADHD), depression, social phobia, and hostility.

              Ju-Yu Yen, Chih-Hung Ko, Cheng-Fang Yen … (2007)
              To: (1) determine the association between Internet addiction and depression, self-reported symptoms of attention deficit and hyperactivity disorder (ADHD), social phobia, and hostility for adolescents; and (2) evaluate the sex differences of association between Internet addiction and the above-mentioned psychiatric symptoms among adolescents. A total of 2114 students (1204 male and 910 female) were recruited for the study. Internet addiction, symptoms of ADHD, depression, social phobia, and hostility were evaluated by the self-report questionnaire. The results demonstrated that adolescents with Internet addiction had higher ADHD symptoms, depression, social phobia, and hostility. Higher ADHD symptoms, depression, and hostility are associated with Internet addiction in male adolescents, and only higher ADHD symptoms and depression are associated with Internet addiction in female students. These results suggest that Internet addiction is associated with symptoms of ADHD and depressive disorders. However, hostility was associated with Internet addiction only in males. Effective evaluation of, and treatment for ADHD and depressive disorders are required for adolescents with Internet addiction. More attention should be paid to male adolescents with high hostility in intervention of Internet addiction.
              Article 0 comments Cited 222 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (publisher-id): 2006
                Journal ID (MPID): 122266
                Title: Journal of Behavioral Addictions
                Publisher: Akadémiai Kiadó
                ISSN (Print): 2062-5871
                ISSN (Electronic): 2063-5303
                Publication date (Print): 1 March 2014
                Publication date (Electronic): 24 March 2014
                Volume: 3
                Issue: 1 ( otherID: P414051671L8 )
                Pages: 12-20
                Affiliations
                [ 1 ] Catholic University of Korea Department of Psychiatry, Seoul Saint Mary’s Hospital, College of Medicine 505 Banpo-dong, Seocho-gu Seoul 137-701 Republic of Korea
                Article
                Other ID: G4M33111N4253483
                DOI: 10.1556/jba.3.2014.1.2
                SO-VID: 6b1c0c65-1d56-4be1-b893-3a34e1c04c2f
                Copyright © © 2014 The Author(s)
                License:

                Open Access statement. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License ( https://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted use, distribution, and reproduction in any medium for non-commercial purposes, provided the original author and source are credited, a link to the CC License is provided, and changes – if any – are indicated.

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                Subject: Review Article

                ScienceOpen disciplines: Medicine,Psychology,Social & Behavioral Sciences,Clinical Psychology & Psychiatry
                Keywords: aggression,neurobiology,addiction,Internet
                Data availability:
                ScienceOpen disciplines: Medicine, Psychology, Social & Behavioral Sciences, Clinical Psychology & Psychiatry
                Keywords: aggression, neurobiology, addiction, Internet

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