Interoception
The body's sense of itself — the felt visceral state through which the brain tracks the homeostatic condition of the organism. In the dominant anatomical model the afferent pathway runs through small-diameter spinothalamic fibres into the dorsal posterior insula and is re-represented in the right anterior insula as conscious feeling; the post-2013 predictive-processing alternative inverts the directionality and reads interoception as inference about expected body state rather than direct readout. A reading list assembled around the term — Augustine's 1996 insular anatomy, Damasio's somatic-marker hypothesis, Craig's 2002 reformulation, Critchley's heartbeat-detection paradigm, Garfinkel's three-way accuracy/sensibility/awareness refinement, Naqvi and Bechara's lesion-method evidence on insula and addiction, the predictive-processing counter-statement (Seth; Barrett and Simmons), and the 2018 Khalsa Roadmap as the field's consensus orientation.
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◊ concepts
Constructed emotion · Insular cortex · Interoception · Interoceptive accuracy · Interoceptive awareness · Interoceptive inference · Interoceptive sensibility · Predictive processing · Somatic marker hypothesis
❡ people
A. D. (Bud) Craig · Anil Seth · Antoine Bechara · Antonio Damasio · Hugo Critchley · James R. Augustine · Lisa Feldman Barrett · Nasir Naqvi · Sahib Khalsa · Sarah Garfinkel · W. Kyle Simmons
§ sources
- Circuitry and functional aspects of the insular lobe in primates including humans
- Interoceptive predictions in the brain
- How do you feel? Interoception — the sense of the physiological condition of the body
- How do you feel — now? The anterior insula and human awareness
- Neural systems supporting interoceptive awareness
- Descartes' Error: Emotion, Reason, and the Human Brain
- Knowing your own heart: distinguishing interoceptive accuracy from interoceptive awareness
- Interoception and Mental Health — A Roadmap
- Damage to the insula disrupts addiction to cigarette smoking
- Interoceptive inference, emotion, and the embodied self