# Interlude LXVII: Regulation | Nervous System Regulation, Emotional Contagion, Polyvagal Theory, Trauma, Social Psychology

Page: https://stenobird.com/podcast/the-observable-unknown-7420182/interlude-lxvii-regulation-nervous-system-regulation-emotional-contagion-polyvagal-theory-trauma-social-psychology
Text version: https://stenobird.com/podcast/the-observable-unknown-7420182/interlude-lxvii-regulation-nervous-system-regulation-emotional-contagion-polyvagal-theory-trauma-social-psychology.md
Podcast: [The Observable Unknown](https://stenobird.com/podcast/the-observable-unknown-7420182)
Published: 2026-05-29T03:34:50+00:00
Episode link: https://juancarlosreyphd.podbean.com/e/interlude-lxvii-regulation-nervous-system-regulation-emotional-contagion-polyvagal-theory-trauma-social-psychology/
Audio file: https://mcdn.podbean.com/mf/web/4gzphwwqaqgkr2p5/I67.mp3
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JSON: https://stenobird.com/v1/public/podcasts/the-observable-unknown-7420182/episodes/interlude-lxvii-regulation-nervous-system-regulation-emotional-contagion-polyvagal-theory-trauma-social-psychology
Duration seconds: 453

## Resource

In this interlude of The Observable Unknown, Dr. Juan Carlos Rey examines one of the most underestimated forces shaping modern human behavior: regulation. Human beings regulate one another constantly. Long before conscious reasoning, ideology, or deliberate communication, the nervous system is already scanning the environment for cues of safety and danger. Emotional states spread socially. Calm spreads. Fear spreads. Suspicion spreads. Chaos spreads. The body absorbs far more from its environment than most people consciously recognize. This episode explores the transmissible nature of nervous system states. Drawing on the work of neuroscientist Stephen Porges and the development of Polyvagal Theory through the Polyvagal Institute, the discussion examines how the autonomic nervous system continuously performs subconscious threat detection through a process Porges termed neuroception. Tone of voice, facial expression, posture, pacing, and emotional tension all become physiological signals interpreted by the body before conscious thought fully forms. The episode then turns toward the work of psychologist Lisa Feldman Barrett at Northeastern University and her research into emotional construction, predictive processing, and social emotional regulation. Barrett’s work challenges simplistic views of emotion as fixed biological events, revealing instead that emotional states are constructed through memory, physiology, context, prediction, and collective reinforcement. From this framework, the episode examines emotional contagion across families, workplaces, institutions, digital culture, and civilization itself. Chronic anxiety becomes normalized within systems. Dysregulation spreads socially until exhaustion begins masquerading as ordinary life. Under prolonged stress, nervo…

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