High Working Memory Load to Reduce Internet Gaming Disorder (IGD) Cravings

High Working Memory Load to Reduce IGD Cravings: N-Back Task

Status

UNKNOWN

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT03868501

Enrollment

Registered

2019-03-11

Start date

2019-03-10

Completion date

2019-08-31

Last updated

2019-03-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Internet Gaming Disorder

Brief summary

To test whether high working memory load can effectively reduce the craving for IGD.

Detailed description

This project is to use 1-back task and 3-back task to reduce the craving of internet gamers. To test whether high working memory load can effectively reduce the craving for IGD. This project will be conducted in Beijing, China, based on a large sample of internet gamers.

Interventions

BEHAVIORALn-back task

All participants will be asked to finish the 3-back task and the 1-back task. The 3-back task and the 1-back task will be carried out at intervals to avoid the influence between different tasks. The sequence of the 3-back task and the 1-back task will be counterbalanced across participants.

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

BASIC_SCIENCE

Masking

DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender

ALL

Age

18 Years to 30 Years

Healthy volunteers

Inclusion criteria

* The scores of the 9 items of The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition(DSM-5) recommended diagnosis for Internet gaming disorder ≥ 5. * 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. * The scores of theYoung-Internet Addiction Test(Y-IAT) ≥ 50

Exclusion criteria

* Current or history of use of illegal substances and gambling; * Current or history of psychiatric or neurological illness; * Current use of psychotropic medications.

Design outcomes

Primary

Measure	Time frame	Description
The craving of internet gamers	0-1 minutes before each set of cue	The craving of internet gamers is measured by a single item Visual Analogue Scale with 1 to 7 likert score.
The craving of internet gamers after cue	0-1 minutes after showing cue	The craving of internet gamers is measured by a single item Visual Analogue Scale with 1 to 7 likert score.
The craving of internet gamers after tasks	0-1 minutes after finishing each block of tasks	The craving of internet gamers is measured by a single item Visual Analogue Scale with 1 to 7 likert score.

Countries

China

Contacts

Primary ContactLinxuan Xu

201511060131@mail.bnu.edu.cn+8613520031870

Backup ContactJin-Tao Zhang, PhD

zhangjintao@bnu.edu.cn+861058800728

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026