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Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method
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Neural dynamics underlying emotional transmissions between individuals.

Yulia Golland1, Nava Levit-Binnun1, Talma Hendler2,3,4,5

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Social emotional feedback influences brain activity, aligning neural responses between individuals. This study reveals interpersonal neural alignment as a key mechanism for conveying emotions between people.

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Area of Science:

  • Neuroscience
  • Social Psychology
  • Affective Science

Background:

  • Emotional experiences are significantly influenced by the emotional states of others.
  • Individuals continuously monitor and adapt to social-emotional cues, even in non-face-to-face contexts.
  • The neural underpinnings of emotional information transmission between individuals remain largely uninvestigated.

Purpose of the Study:

  • To investigate the neural processes involved in processing emotional cues from a co-attending individual.
  • To examine how social-emotional feedback affects brain activity in real-time.
  • To determine if interpersonal neural alignment plays a role in affective communication.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was used to monitor brain activity.
  • Participants viewed a movie while receiving continuous emotional feedback.
  • A social group received feedback believed to be from a co-viewer, while a control group did not.

Main Results:

  • Social-emotional feedback significantly modulated neural dynamics in core affect and medial pre-frontal regions.
  • Neural activity in these regions showed increased similarity across participants in the social group.
  • Response time-courses demonstrated enhanced neural alignment with the feedback timeline in the social condition.

Conclusions:

  • Emotional cues from others shape neural dynamics across the entire spectrum of emotional processing.
  • Interpersonal neural alignment serves as a crucial neural mechanism for conveying affective information between individuals.
  • This research provides direct evidence for the neural basis of shared emotional experiences.