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2015 ; 122
(8
): 1187-96
Nephropedia Template TP
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Internet gaming disorder, social network disorder and laterality: handedness
relates to pathological use of social networks
#MMPMID25576300
Bouna-Pyrrou P
; Mühle C
; Kornhuber J
; Lenz B
J Neural Transm (Vienna)
2015[Aug]; 122
(8
): 1187-96
PMID25576300
show ga
The internet age bears new challenges that include health risks. It is agreed
that excessive internet use may reach pathological levels. However, the concept
of internet addiction lacks specificity and, therefore, warrants studies on its
diagnostic and etiologic classification. This study was conducted to characterize
the novel DSM-5 criteria for internet gaming disorder and the adapted criteria
for the "social network disorder". Based on the established association of
handedness and substance use disorders, we also explored whether internet use
related to laterality. For this study, 3,287 volunteers participated in the
online survey and gave particulars concerning their internet use in general,
internet gaming and use of social networks, laterality markers (hand, foot, eye,
ear, rotational preference in gymnastics, and head turning asymmetry) and health
status. Of the participants, 1.1 % fulfilled the criteria for internet gaming
disorder, and 1.8 % fulfilled the criteria for social network disorder. The
applied criteria were highly correlated with the time spent on the respective
internet activities (p < 4 × 10(-56)). The analyses of comorbidity and working
hours support the thresholds of 5/9 criteria and ?30 h/week spent on the internet
for the classification as pathological (p < 5 × 10(-2)). Moreover, we found that
left-handedness related to more affirmed criteria and longer times spent on
social networks (p ? 4 × 10(-2)). The provided criteria proved to be
user-friendly, comprehensible and well accepted. The results contribute to a
better understanding of pathological internet gaming and social network use and
provide evidence that biological markers of substance use disorders are involved
in internet addiction.
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