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Anna K Kuhlen1, Carsten Bogler2, Marc Swerts3

  • 1Berlin School of Mind and Brain, Humboldt-Universität zu Berlin, 10099 Berlin, Germany, Bernstein Center for Computational Neuroscience Berlin and Charité-Universitätsmedizin Berlin, 10115 Berlin, Germany, Berlin Center for Advanced Neuroimaging, Charité - Universitätsmedizin Berlin, 10119 Berlin, Germany, and School of Humanities, TiCC Research Center, Tilburg University, 5000 LE, Tilburg, The Netherlands Berlin School of Mind and Brain, Humboldt-Universität zu Berlin, 10099 Berlin, Germany, Bernstein Center for Computational Neuroscience Berlin and Charité-Universitätsmedizin Berlin, 10115 Berlin, Germany, Berlin Center for Advanced Neuroimaging, Charité - Universitätsmedizin Berlin, 10119 Berlin, Germany, and School of Humanities, TiCC Research Center, Tilburg University, 5000 LE, Tilburg, The Netherlands Berlin School of Mind and Brain, Humboldt-Universität zu Berlin, 10099 Berlin, Germany, Bernstein Center for Computational Neuroscience Berlin and Charité-Universitätsmedizin Berlin, 10115 Berlin, Germany, Berlin Center for Advanced Neuroimaging, Charité - Universitätsmedizin Berlin, 10119 Berlin, Germany, and School of Humanities, TiCC Research Center, Tilburg University, 5000 LE, Tilburg, The Netherlands anna.kuhlen@bccn-berlin.de.

Social Cognitive and Affective Neuroscience
|August 21, 2014
PubMed
Summary

Understanding speaker confidence is key for communication. Brain imaging reveals the mentalizing network, including the medial prefrontal cortex, processes perceived speaker confidence from nonverbal cues.

Keywords:
fMRIfeeling of another’s knowingmentalizingmirroringnonverbal

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Social Psychology

Background:

  • Effective communication relies on assessing conversational partners' knowledge states.
  • Nonverbal cues, such as facial and bodily expressions, provide insights into a speaker's confidence.

Purpose of the Study:

  • To identify brain regions involved in encoding perceived speaker confidence using neuroimaging.
  • To investigate the roles of the mentalizing and mirroring networks in processing confidence cues.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was employed.
  • Participants viewed videos of individuals answering general knowledge questions.
  • Judgments of the respondent's confidence were collected.

Main Results:

  • Both the mentalizing and mirroring networks were activated during the processing of nonverbal cues.
  • Activity within the mentalizing network, specifically the medial prefrontal cortex and temporoparietal junction, correlated with perceived speaker confidence.
  • The mirroring network's activation was not modulated by perceived confidence.

Conclusions:

  • The mentalizing network plays a crucial role in decoding perceived speaker confidence from nonverbal signals.
  • Findings support an integrated model where mirroring and mentalizing networks collaborate for pragmatic processing.
  • Specific brain regions within the mentalizing network are key for assessing confidence in communication.