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Area of Science:

  • Neuroscience
  • Physiology
  • Gastroenterology

Background:

  • The interoceptive system monitors internal body states, crucial for homeostasis and adaptation.
  • Recent research identifies key cell types and circuits in homeostatic interoception and their environmental responses.
  • Dysfunction in body-brain interactions is implicated in disease pathogenesis.

Purpose of the Study:

  • To review the anatomical and functional principles of interoception, emphasizing gut-brain communication.
  • To examine the impact of environmental and lifestyle factors on gut-brain signaling.
  • To explore interoceptive dysfunction in human diseases and the potential for interoceptive therapeutics.

Main Methods:

  • Literature review and synthesis of current research on interoception.
  • Focus on anatomical and functional aspects of body-brain communication, particularly the gut-brain axis.
  • Exploration of environmental influences and disease implications.

Main Results:

  • Interoception involves body-brain feedback loops vital for adapting to environmental changes.
  • Gut-brain signaling is significantly influenced by environmental and lifestyle factors.
  • Interoceptive dysfunction is a common feature across various human diseases.

Conclusions:

  • Understanding interoception is key to addressing diseases linked to body-brain communication breakdown.
  • Interoceptive dysfunction represents a shared pathological mechanism in numerous diseases.
  • Development of interoceptomimetics offers a promising therapeutic strategy for restoring homeostasis.