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Journal Articles Neuron Year : 2021

Interoception of breathing and its relationship with anxiety

Abstract

Interoception, the perception of internal bodily states, is thought to be inextricably linked to affective qualities such as anxiety. Although interoception spans sensory to metacognitive processing, it is not clear whether anxiety is differentially related to these processing levels. Here we investigated this question in the domain of breathing, using computational modeling and high-field (7 T) fMRI to assess brain activity relating to dynamic changes in inspiratory resistance of varying predictability. Notably, the anterior insula was associated with both breathing-related prediction certainty and prediction errors, suggesting an important role in representing and updating models of the body. Individuals with low versus moderate anxiety traits showed differential anterior insula activity for prediction certainty. Multi-modal analyses of data from fMRI, computational assessments of breathing-related metacognition, and questionnaires demonstrated that anxiety-interoception links span all levels from perceptual sensitivity to metacognition, with strong effects seen at higher levels of interoceptive processes.
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hal-04536175 , version 1 (08-04-2024)

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Olivia K Harrison, Laura Köchli, Stephanie Marino, Roger Luechinger, Franciszek Hennel, et al.. Interoception of breathing and its relationship with anxiety. Neuron, 2021, 109 (24), pp.4080-4093.e8. ⟨10.1016/j.neuron.2021.09.045⟩. ⟨hal-04536175⟩
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