+2 points if you can do this with the head of someone talking to a group you are in, like a teacher or colleague in a meeting!
Where next
So, it's nice that you can find your blind spots. It's a direct connection between our experience and the physical machinery we're made out of. If this proof that we're made out of meat doesn't give you the existential heebie-jeebies, consider the flip side : most of the time our minds hide this evidence from us.
There's a debate about how this trick is pulled. Philosopher
Daniel Dennett
(1991) has
argued that
what is
going on
with the
blind spot
is not actually filling in, but what psychologists call 'neglect' or 'visual inattention'. In effect, he claimed, it isn't that we're seeing something in the hole, but rather that we're programmed
