General Psi Topics

The term ‘decline effect’ in parapsychology refers to a decline in experimental performance over time. This article reviews various ways in which it manifests, and the reasons that have been proposed to account for them

Traditional method of locating underground water or minerals by the movement of a pair of metal rods, a forked stick or a pendulum. 

A list of some two hundred well-known intellectuals - scientists, thinkers, writers, and artists - who took seriously the possibility of psychical phenomena.

Overview of activity in the field of (mainly experimental) parapsychology across continental Europe. 

Parapsychologists have come to believe that experimenters play a major role in influencing the outcome of psi experiments. 


Reports of spontaneous paranormal occurrences are often contested on the grounds that witnesses were mistaken in what they thought they observed. This article analyses the extent to which eyewitness testimony can be trusted in this field. 

Collective term for anomalous or paranormal-seeming phenomena, based on the writings of Charles Fort (1874-1932).

Disputes the claim by skeptics that parapsychologists are more likely to commit fraud than other scientists.

International project which has found  statistically significant deviations in the output of random event generators suggestive of a mass emotional response to major world events. 

The idea that humans radiate biophysical forces was once used to explain psi phenomena such as auras, ESP, healing, and luminous effects.