Has it been scientifically proven, for example in proper lab conditions with conclusive results?
Or is it nonesense believed only by the gullible?
I'm not talking about helping people to quit smoking or get over a phobia, cos that's impossible to distinguish from some kind of placebo effect.
I'm talking about things like people thinking they are chickens or revealing information involuntarily, or barking like a dog when someone claps their hands...
That kind of stuff, and then not having any memory of it.
Also, does anyone have any first had experience of these things?
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