What happens under stress with our vision and why is this very important for first responders and their trainers? Do you know what the Colavita effect of visual dominance under high stress is? And what this means for our sensory information (like feeling a weapon)? And how this can lead to all sorts of problems like Taser weapon confusion? And what have people wrong about the role of adrenaline in this case? You also learn about the different qualities of focal vision and peripheral vision and that ’tunnel vision’ is not something we should simply eliminate.