Term coined by parapsychologist Renée Haynes to indicate the level at which the mind "boggles" or is thwarted by the degree of improbability of a phenomenon. It is similar to other measures of the strangeness level of a phenomenon expressed by others.
"Boggle-Threshold." Encyclopedia of Occultism and Parapsychology. . Encyclopedia.com. (January 17, 2019). https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/boggle-threshold
"Boggle-Threshold." Encyclopedia of Occultism and Parapsychology. . Retrieved January 17, 2019 from Encyclopedia.com: https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/boggle-threshold