Effects of smartphone restriction on cue-related neural activity
With the increasing popularity of smartphones in the past decades, physical, social, and psychological consequences of excessive smartphone use (ESU) have been increasingly debated. Cue-reactivity (CR) has been discussed as a core mechanism driving this behavior, and previous studies have highlighte...
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| Hauptverfasser: | , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
June 2025
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| In: |
Computers in human behavior
Year: 2025, Jahrgang: 167, Pages: 1-10 |
| ISSN: | 0747-5632 |
| DOI: | 10.1016/j.chb.2025.108610 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1016/j.chb.2025.108610 Verlag, kostenfrei, Volltext: https://www.sciencedirect.com/science/article/pii/S0747563225000573 
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| Verfasserangaben: | Mike M. Schmitgen, Gudrun M. Henemann, Julian Koenig, Marie-Luise Otte, Jakob P. Rosero, Patrick Bach, Sophie H. Haage, Nadine D. Wolf, Robert C. Wolf |
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| 245 | 1 | 0 | |a Effects of smartphone restriction on cue-related neural activity |c Mike M. Schmitgen, Gudrun M. Henemann, Julian Koenig, Marie-Luise Otte, Jakob P. Rosero, Patrick Bach, Sophie H. Haage, Nadine D. Wolf, Robert C. Wolf |
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| 520 | |a With the increasing popularity of smartphones in the past decades, physical, social, and psychological consequences of excessive smartphone use (ESU) have been increasingly debated. Cue-reactivity (CR) has been discussed as a core mechanism driving this behavior, and previous studies have highlighted distinct neural mechanisms underlying CR in individuals with ESU. Here, we used a functional MRI (fMRI) CR-paradigm to investigate the effects of smartphone restriction over 72 h in 25 young adult smartphone users. The CR-task used contrasts of images showing smartphones vs. neutral stimuli and active vs. inactive smartphones. Region-of-interest based correlations with psychometric scores were performed, and activity changes after 72 h were investigated on a neurochemical level using neurotransmitter probability maps. CR-related brain activity changes over time were most prominent in the nucleus accumbens and anterior cingulate cortex (p < 0.001). Such changes were significantly associated with dopamine- and serotonin-receptor probabilities (pFDR < 0.05). Significant associations between parietal cortex activity and craving were detected (p < 0.05). This study provides evidence for CR-related modulation of neural activity in key regions of salience, motor-inhibition, and reward processing after 72 h smartphone restriction. The identified neural mechanisms may substantially promote addictive behavior in people at risk for ESU. | ||
| 650 | 4 | |a Addiction | |
| 650 | 4 | |a Cue-reactivity | |
| 650 | 4 | |a Functional magnetic resonance imaging | |
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| 650 | 4 | |a Smartphone | |
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