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Related Experiment Video

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Decoding subject's own name in the primary auditory cortex.

Hang Wu1, Dong Wang2, Yueyao Liu1

  • 1Key Laboratory of Brain, Cognition and Education Sciences, Ministry of Education; School of Psychology, Center for Studies of Psychological Application, and Guangdong Key Laboratory of Mental Health and Cognitive Science, South China Normal University, Guangzhou, Guangdong, China.

Human Brain Mapping
|December 27, 2022
PubMed
Summary
This summary is machine-generated.

Your own name activates specific brain regions. The primary auditory cortex can distinguish your name from others, influenced by the insula during self-processing.

Keywords:
anterior insulaeffective connectivitymultivariate pattern analysisprimary auditory cortextemporoparietal junction

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Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Self-Processing

Background:

  • Self-name perception involves multimodal brain regions.
  • The role of unimodal sensory regions and their interactions during self-processing is not fully understood.

Purpose of the Study:

  • To investigate regional activation patterns during subject's own name (SON) perception.
  • To explore inter-region effective connectivity during SON perception.
  • To clarify the interaction between unimodal and multimodal regions in self-processing.

Main Methods:

  • Multivariate pattern analysis (MVPA) was employed.
  • Dynamic causal modelling analysis (DCM) was utilized.
  • Examined regional activation and effective connectivity during SON perception.

Main Results:

  • Subject's own name (SON) and other names were decodable from primary auditory cortex (PAC) activation patterns.
  • An excitatory effect of SON was observed on connections from the anterior insula/inferior frontal gyrus to the PAC.
  • SON perception also influenced connections to the temporoparietal junction (TPJ).

Conclusions:

  • The primary auditory cortex (PAC) can discriminate SON from other names.
  • The insula exerts an important influence on the PAC during self-processing.
  • Findings extend understanding of self-processing mechanisms involving sensory and multimodal brain interactions.