1. 20 September 2009 at 11:49 pm | Permalink

    That was very interesting. It brings to mind hypnagogia and the auditory hallucinations people sometimes experience just before falling asleep.

  2. Harry
    21 September 2009 at 3:40 pm | Permalink

    And people hallucinate in sensory-deprvation tanks, as well, so I guess it shouldn’t be surprising that people who lose their sight should have the same issues. I’d just never thought of it before.

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