Andrew Huberman· PhD
One intense experience, one burn, one bad breakup, one bad experience, public speaking. One bad experience with somebody pet snake or whatever it happens to be can cause intense fear in the moment, a long [indistinct] experience of fear, like trouble sleeping that night and the following night. Memories of the experience that are troubling, physiological responses that are troubling. Essentially it gets wired in as a fear with one trial.