Maybe I'll revise my plans to buy a cycle computer.....
I can't see how the helmet helped him in any way, not least by removing his peripheral vision. On the other hand, as he was completely unaware until the moment of impact, he was relaxed when he hit, which probably helped quite a lot.
It's easy to laugh, but if he's that easily distracted on a form of transport where he will always come off worst, I shudder to think what he's like when surrounded in the cocooned multimedia distractions of a car....
Russell