Choosing spatial impairment

Something I ought to learn more about is how blind people navigate a city.  Do they develop impressive spatial intelligence?  Is it strictly a matter of obtaining and following step by step directions?  Does it depend?

A customer (this guy is sticking by old fashioned maps to get around) told a story about his daughter.  She landed a new job, entered the address into her GPS device and drove to work.  She drove to work every day for two months.  On the morning her GPS malfunctioned, she could not find her way to work.

Losing my sight is easier to imagine than being in the fix that woman was in.  No one (I think) chooses to become blind, yet people everywhere are choosing to abandon the ability to direct their own physical movement through… well, do we have a word for what isn’t cyberspace?  Oh yeah, space.  aka Reality.

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