Technical Note: Terms
on Friday, February 11, 2011
Last Updated: Tuesday, October 27, 2015
The above terms are representative of common usage, but parapsychologists usually define psi phenomena in more neutral or operational terms. This is because labels often carry strong but unstated connotations that can lead to misinterpretations.
For example, telepathy is commonly thought of as mind-reading. However, in practice, and certainly in laboratory research, experiences of telepathy rarely involve perception of actual thoughts, and the experience itself often does not logically require communication between two minds, but can also be "explained" as clairvoyance or precognition. Keep in mind that the names and concepts used to describe psi actually say more about the situations in which the phenomena are observed, than about any fundamental properties of the phenomena themselves. That two events are classified the same does not mean they are actually the same.
In addition, in scientific practice many of the basic terms used above are accompanied by qualifiers such as "apparent," "putative," and "ostensible." This is because many claims supposedly involving psi may not be due to psi, but to normal psychological or misinterpreted physical reasons.
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