Stress can help us focus. It’s how some top players feel the game is slowing down. It’s because their brains drop all unnecessary stimuli and focus exclusively on what matters. It’s so-called “Tunnel Vision.” This is between 115-145 heart rate.
Above 145, our body functions start to shut down. That’s why for some, it’s difficult to even dial the police number.
Our snap judgments can be impaired by extreme stress or life and death scenarios. Even being under strong time pressure, without life or death scenarios makes us unable to see clues in our BL and facial expressions. Extreme time pressure makes us autistic.
Under extreme stress, disengage and resume later.