I understand there's a phenomenon called the "Ganzfeld"(sp?) effect where people experiencing sensory deprevation have greater-than-chance success at "recieving" pictures and messages mentally from senders in the next room who concentrate really hard.
Of course it smacks of pseudoscience so it's hard to attract funding. Plus no one's been able to put forth any kind of mechanism or explanation for the effect. But it's certainly not "talking to the dead", or reading minds, or any John Edwards stuff.
Just what I've heard, anyway.
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