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ddl's picture

Visual 'Blind Spots'

Submitted by ddl on Mon, 04/06/2009 - 1:37pm.
Last week in class, we discussed how there are “blind spots” in our vision that need to be filled by the brain speculating and then projecting what it thinks should be perceived in those areas.  This raised the question for me of why evolutionarily human beings have developed these blind spots?  It seems pretty apparent that it would make more sense to have developed a means of visually perceiving the outside world in which no blind spots are found.  So then why is it the case that such spots exist?

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