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A Sixth Sense for a Wired World
Body-mod artists Jesse Jarrell and Steve Haworth's original idea was to implant a magnet to carry metal gadgets. It turns out that doesn't work: If you try to carry something magnetic on your implant regularly, the pinched skin between the magnets dies and your body rejects the implant. But they came up with a new application when a mutual friend suffered an accident that left a shard of iron in his finger. He worked with audio equipment, and found that he could tell which speakers were magnetized from the sensation that passed through his finger at close range.
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Schizophrenics see through hollow-mask illusion - health - 07 April 2009 - New Scientist
Telling the front from the back of a mask can be more difficult than it seems. Thanks to an effect called the hollow-mask illusion, the brain can have trouble deciding if the image is convex or concave.
But, it seems, not everyone struggles to correctly determine the mask's orientation. New research shows that people with schizophrenia are immune to the effect – a finding that means the illusion could provide a diagnostic test for the condition.
- Tags:
- science
- research
- psychology
- brain
- illusion
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