Mechanisms and Interventions of Social Reward on Cognitive Control in Internet Gaming Disorder

Inclusion Criteria: * Individuals aged between 18 and 35 years, irrespective of gender, having completed a minimum of 9 years of education and capable of effectively cooperating in questionnaire evaluations. * Consent to actively cooperate in the completion of subsequent follow-up assessments. * All are right-handed * The Gaming Disorder Screening (GDSS) Scale score ≥ 47 points; * The main game played is Honor of Kings; Average weekly gaming time (Honor of Kings) greater than 21 hours, maintained for over one year; More than 50% of daily internet time spent playing online games; Exclusion Criteria: * Severe cognitive functional impairments manifested through a history of head trauma, cerebrovascular diseases, epilepsy, etc., or usage of cognitive enhancement drugs in the past 6 months; an intellectual disability with an IQ score less than 70. * A diagnosis of schizophrenia or other severe mental illnesses as per the DSM-5 criteria. * Abuse or dependence on other psychoactive substances (excluding nicotine) within the past 5 years. * Severe organic diseases that might compromise study participation. * Color blindness or color weakness