The fact that the digestive system and the central nervous system (CNS) are in close and constant communication is well established, hence the talk of a brain-gut axis. Similarly, it is well known that positive and negative emotions, such as disgust or happiness, can evoke subjective sensations in the body, including the stomach. What had been missing was direct and objective evidence that emotions are correlated with changes in gastric physiology.

Ingestible pills reveal gastric correlates of emotions

Giuseppina Porciello, Alessandro Monti, Maria Serena Panasiti, Salvatore Maria Aglioti (2024) Ingestible pills reveal gastric correlates of emotions eLife 13:e85567

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