[4][5] He is credited with introducing the word psi as a term for parapsychological phenomena in a 1942 article in the British Journal of Psychology.

He questioned the alleged visions of Jesus Christ that the mystic Julian of Norwich reported to have experienced and concluded they were the result of hallucinations.

[9] The ciphertext was "BTYRR OOFLH KCDXK FWPCZ KTADR GFHKA HTYXO ALZUP PYPVF AYMMF SDLR UVUB".

[9] The Survival Research Foundation based in Miami offered a reward of $1000 to anyone who could break the cipher within three years of Thouless' death.

[10] Professor James E. Dittes wrote that despite the obsolete Freudian views it is a useful elementary guide to the psychology of religion.

"[1]Psychologist L. Börje Löfgren has criticised Thouless for endorsing the mentalist Frederick Marion as a genuine psychic.