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Neurophysiological, molecular genetic and personality determinants of Internet addiction: a case control study

Neurophysiological, molecular genetic and personality determinants of Internet addiction: a case control study - NEURO-IA

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00005303
Enrollment
100
Registered
2013-10-23
Start date
2013-11-01
Completion date
Unknown
Last updated
2025-04-07

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

Conditions

F63.9

Interventions

Group 1: Internet addicts partipate in an structural/functional MRI and provide a DNA sample. In addition, they participate in a short computer experiment (IOWA gambling), which reflects decision maki

Sponsors

Differentielle & Biologische PsychologieUniversität Bonn
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Internet addicts: Values > 70 in the Internet Addiction Test by Young (1998); control persons: healthy - no psychiatric / neurological disorders

Exclusion criteria

Exclusion criteria: Internet addiction group: If participants reach a score higher 70, he/she will be invited to the study. Comorbidities will be registerated. The control persons need to be healthy (see above).

Design outcomes

Primary

MeasureTime frame
The outcome of the study is to replicate the finding that lower ACC and insula volumes can be observed in internet addicts. The aim of the study will be reached, when N = 30 participants in the group of internet addicts and controls (until the end of 2014) will be scanned.

Secondary

MeasureTime frame
A secondary outcome is to investigate the influence of dopaminergic genetic variants on the brain structure of Internet addicts and control persons.

Countries

Germany

Contacts

Public ContactBernd Lachmann

Differentielle & Biologische PsychologieUniversität Bonn

bernd.lachmann@uni-bonn-diff.de0228/7362355

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026