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| Type | Working Paper |
| Scope | Discipline-based scholarship |
| Title | Pupil dilation predicts individual success in emotion regulation and dietary self-control |
| Organization Unit | |
| Authors |
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| Institution | Cold Spring Harbor Laboratory |
| Series Name | bioRxiv |
| Number | 376202 |
| ISSN | 2164-7844 |
| Date | 2020 |
| Abstract Text | Multiple theories have proposed that increasing central arousal through the brain’s locus coeruleus – norepinephrine system may facilitate cognitive control and memory. However, for emotion research this hypothesis poses a puzzle, because conventionally, successful emotion regulation is associated with a decrease in arousal. Pupil diameter is a proxy to infer upon the central arousal state. We employed an emotion regulation paradigm with a combination of design features that allowed us to dissociate regulation- from stimulus-associated arousal in the pupil diameter time course of healthy adults. A pupil diameter increase during regulation predicted individual differences in emotion regulation success beyond task difficulty. Moreover, the extent of this individual arousal boost predicted performance in another self-control task, dietary health challenges. Participants who harnessed more regulation-associated arousal during emotion regulation were also more successful in choosing healthier foods. These results suggest that a common arousal-based facilitation mechanism may support an individual’s self-control across domains. |
| Free access at | DOI |
| Official URL | https://www.biorxiv.org/content/10.1101/2020.11.19.376202v1.abstract |
| Digital Object Identifier | 10.1101/2020.11.19.376202 |
| Other Identification Number | merlin-id:20123 |
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