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Neural Representations of the Committed Romantic Partner in the Nucleus Accumbens. | LitMetric

AI Article Synopsis

  • Intimate romantic relationships play a crucial role in our lives, and specific brain areas, like the nucleus accumbens (NAcc), are linked to emotional bonding and attraction.
  • A study involving 46 men assessed NAcc activity while participants completed a task related to social rewards from both their romantic partners and unfamiliar women.
  • The findings indicated that the NAcc exhibits distinct neural patterns when anticipating emotional cues from partners versus strangers, suggesting it may help reinforce committed romantic connections.

Article Abstract

Having an intimate romantic relationship is an important aspect of life. Dopamine-rich reward regions, including the nucleus accumbens (NAcc), have been identified as neural correlates for both emotional bonding with the partner and interest in unfamiliar attractive nonpartners. Here, we aimed to disentangle the overlapping functions of the NAcc using multivoxel pattern analysis, which can decode the cognitive processes encoded in particular neural activity. During functional MRI scanning, 46 romantically involved men performed the social-incentive-delay task, in which a successful response resulted in the presentation of a dynamic and positive facial expression from their partner and unfamiliar women. Multivoxel pattern analysis revealed that the spatial patterns of NAcc activity could successfully discriminate between romantic partners and unfamiliar women during the period in which participants anticipated the target presentation. We speculate that neural activity patterns within the NAcc represent the relationship partner, which might be a key neural mechanism for committed romantic relationships.

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Source
http://dx.doi.org/10.1177/09567976211021854DOI Listing

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