Modeling any experience inevitably involves modeling beliefs. Whether you are modeling an experience of excellence or an experience of dysfunction and pathology, beliefs are involved. They drive the experience.
It happens to elite athletes, experienced presenters and it has likely happened to you. It comes in varying degrees of intensity and you’ll be known by your ability to minimise it or alternatively it will rule you to the point you will be completely disempowered as a presenter.
I recently read several books by Chris Argyris, an original thinker about management, leadership, learning, change, etc. I was particularly interested when he described an anti-learning process which he called “a defensive structure.”