Flow of affective information between communicating brains
2011

Flow of affective information between communicating brains

Sample size: 12 publication 10 minutes Evidence: moderate

Author Information

Author(s): Anders Silke, Heinzle Jakob, Weiskopf Nikolaus, Ethofer Thomas, Haynes John-Dylan

Primary Institution: University of Lübeck

Hypothesis

How does affective information flow between the brains of senders and perceivers during facial communication?

Conclusion

The study found that affective information is transmitted between communicating brains, with a delay in the perceiver's brain relative to the sender's brain.

Supporting Evidence

  • Participants recognized the sender's emotion in 70% of the runs.
  • Recognition rates were highest for joy and lowest for anger.
  • Skin conductance responses increased during emotion periods for both senders and perceivers.

Takeaway

When people show their feelings on their face, their partner's brain can pick up on those feelings, but it takes a little time for them to really understand what the other person is feeling.

Methodology

The study used fMRI to analyze brain activity in romantic couples while they communicated emotions through facial expressions.

Potential Biases

Participants were aware they were being studied, which could influence their emotional expressions.

Limitations

The study only included heterosexual couples and may not generalize to other types of relationships.

Participant Demographics

Six different-sex couples, mean age of women 22 years and men 24 years, all right-handed and without neurological or psychiatric disorders.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1016/j.neuroimage.2010.07.004

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