Dennett points out that there is alternative to this account. Rather than ‘making up’ experience in this manner, perhaps our brains simply fail to notice that there is a lack of visual information deriving from the hole-region: after all, an absence of information is not the same thing as information about an absence. Never having received information from this region, the brain simply works on the assumption that nothing special is going on there: ‘The brain doesn’t have to “fill in” for the bl