Alexithymia, Reward Sensitivity and Internet Addiction Symptoms: Potential Roles of Frontal Lobe Dysfunction and...

Area of Science:

• Neuroscience
• Psychology
• Behavioral Science

Background:

• Previous research identified alexithymia and reward sensitivity as risk factors for internet addiction (IA).
• These traits are associated with executive self-regulation deficits in the frontal lobe.
• Frontal lobe dysfunction is hypothesized to underlie the relationship between these traits and IA.

Purpose of the Study:

• To investigate if frontal dysfunction mediates the relationship between alexithymia, reward sensitivity, and IA symptoms.
• To assess the mediating role of negative mood in these associations.
• To examine the direct and indirect effects of personality traits and frontal dysfunction on IA.

Main Methods:

• An online survey of 310 internet users (aged 18-65) was conducted.
• Participants completed validated measures of alexithymia, reward sensitivity, negative mood, and IA symptoms.
• The Frontal Systems Behaviour Scale (FrSBe) was used to assess executive dysfunction.

Main Results:

• Hierarchical regression analysis explained 52% of the variance in IA symptoms.
• Reward sensitivity, negative mood, and executive dysfunction were significant predictors of IA.
• Path analysis confirmed that executive dysfunction (FrSBe) and negative mood mediated the associations between alexithymia/reward sensitivity and IA.

Conclusions:

• Frontal lobe executive dysfunction and negative mood play crucial mediating roles in the development of internet addiction.
• Understanding these mediating factors offers potential targets for therapeutic interventions.
• The findings contribute to the theoretical framework linking personality, neurocognition, and behavioral addiction.