Retrieval-extinction Paradigm on Internet Gaming Disorder

Reducing Gaming Cue Reactivity and Behavior Via Retrieval-Extinction Mechanism

The overall aim of this experimental study is to apply the new paradigm of substance addiction intervention to the study of Internet gaming disorder(IGD) subjects' intervention.

This study is based on the retrieval-extinction paradigm.As with the efficacy, the experiment aims to test the effect of the retrieval-extinction paradigm on game craving and behave of IGD subjects, so as to provide an empirical basis for the development of effective intervention means of Internet gaming disorder.

Inclusion Criteria:

1. the 5th edition of Diagnostic and Statistical Manual of Mental Disorders (DSM-5 ) recommended diagnosis of Internet gaming disorder : the scores of the 9 items of DSM-5 recommended diagnosis for Internet gaming disorder ≥ 5.
2. the scores of the Young-Internet addiction Test ≥ 50
3. engagement in popular Internet games (e.g. Arena of Valor, League of Legends and Player Unknown's Battle Grounds) for over 20 hours per week for a minimum of 12 months.

Exclusion Criteria:

1. current or history of use of illegal substances and other addictions;
2. current or history of psychiatric or neurological illness;
3. current use of psychotropic medications.