Core emotions also contain physical impulses, which are de-signed…

Core emotions also contain physical impulses, which are de-signed by nature to be an immediate and adaptive call to action. Did you ever reach into your refrigerator and pour yourself a glass of milk without checking the date of expiration? One sip of sour milk provokes an immediate reaction-you spit it out. Our taste buds, threatened with poison, send a signal to our emotional brain-the limbic system to trigger disgust. Disgust, one of the core emotions, causes nausea, a physical response in the body.

— from The Mind in the Cockpit

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