Issues raised by the DSM-5 internet gaming disorder classification and proposed diagnostic criteria

Significant variability in the classification and assessment of internet gaming disorder (IGD) has resulted in inconsistent evidence relating to its phenomenology, prevalence, cross-cultural application, course, biomarkers and treatment [1,2]. Petry and colleagues [3] have made an important contribution to research and practice by standardizing the diagnostic criteria for this disorder, which is included as a condition for further study in the DSM-5 [4]. It is likely that these developments will stimulate a more consistent evidence base and enhance diagnosis, prognosis, treatment opportunities, prevention efforts and industry regulation [5]. Although timely, given global rises in access and interaction with increasingly pervasive digital technologies, these developments raise several issues