Linking bodily, environmental and mental states in the self—A three-level model based on a meta-analysis

Research output: Contribution to journalReview article

Abstract

Current researchers mostly agree that the self consists of both bodily and non-bodily environmental information. The neural mechanism underlying the integration of this information remains unclear. In this study, we propose a neural model subdividing self-processing into three intimately connected levels with different extension: Interoceptive-processing, Exteroceptive-processing and Mental-self-processing. We applied ALE meta-analyses on neuroimaging studies to analyze their neural patterns. Our results show common involvement of insula across all three levels including differentiation of self and familiarity. Common activities in Exteroceptive- and Mental-self-processing were found in the anteromedial prefrontal cortex (AMPFC) and the temporal parietal junction (TPJ), suggesting that the two regions likely serve basic functions in differentiation and integration of self-other information. Finally, Mental-self-processing involves extensive regions such as the cingulate cortex and medial prefrontal cortex, in addition to the insula, AMPFC and TPJ, which could specialize in adding self-relatedness to environment information. We conclude that there is a gradient organization in self-processing, through which body-environment information is integrated for the self via propagation from Interoceptive-processing to Mental-self-processing.

Original languageEnglish
Pages (from-to)77-95
Number of pages19
JournalNeuroscience and Biobehavioral Reviews
Volume115
DOIs
Publication statusPublished - Aug 2020

Keywords

  • AMPFC
  • Exteroception
  • Familiarity
  • Insula
  • Interoception
  • TPJ

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Cognitive Neuroscience
  • Behavioral Neuroscience

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