Files 9 April 1952 mi;,) in Gonnection with ESP) ESP (D In an effort to ascertain whether had used drugs of Vlwious types in thL- ESP experime atio writer draw from the 3-ibrary all publ2ished material by d his associates. A review of this material reveals that in the.ESP experimenta- tionv certain drugs were used primarily to test whether or not the ESP capacities were affected by drigs. The experimentation showed that the ESP capacities were definitely affected by the use of drugs as follows2: Using barbiturate drugs such &3 sodium anytal, the ESP fell off and.was restored by the use of caffeine. The experiments set out in the publications in general in no way. bear upon Artichoke matters and are of no particular interest except as they pertain to ESP experimentation. The writ )M2 i b ks e read ccpletal ob and and., iA addition, exa.,L:Lnea' in publication entit arijinal INOWFFI =@m 5 @w he writer al2 Xwn:Lned the boo.-I", io-e of lumber of his associates -. fur-- the es early editions of the OWMrnal of Parapsychology",4u,%-,Ik,-@- a mumber of addresses given on this subjectwere studied. 2 In view of the above 9 ,, it i obvi t f we are to-obtain in- formation on d rugs.-hy-inosiss' etc. fraIR it will have to be on the '@asis of,unpub3.ishad material or nversations since his published material is not helpful from an Artichoke point of view.. It shoul6d be noted tha did some experimenting with hypnosis in the ESP experimn on,, t the hypnotic tests were of no value aefar as Artichoke is concerned ands in facts were not help- ful except from a negative point of view in the actual rSP experiments- tion. IF-