SI AND H EXPERIMENTATION 7 AUGUST 1951 (ROOM 20, 3, AND 8, 6:00 PM TO 9:00 PM).

• Document Type: SPECIALCOLLECTION
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): 00428069
• Release Decision: RIPPUB
• Original Classification: U
• Document Page Count: 2
• Document Creation Date: January 23, 2025
• Document Release Date: August 23, 2000
• Publication Date: August 7, 1951

Subject: SI and H experimentation 7-August 1951 (Rooms 20, 3, and 8,
6:00 PM"to 9:00 PM).
On Tuesday, 7 August 3.9siiiiiain, and the
writer conducted experiments in an between :00 PP and 9:00 PM
with as subjects and/or observers.
This session was opened by a briefing and a lengthy discussion
of the experiments involving nnormal" activity and the relationship
these experiments had to some operational problems. After which,
the following experiments were discussed:
was sent into.another'room an was'
place un er-'deep 6 and 'ven post notic . th�Sh "was to
go to room where - :ive, a code word :
upon the use Of w ic ould t
� dro t once into A dee
luggested.
e then weti r.domw ere
then gar A brief in
pdiately en ered deep trance and
ive,her instructions which
omp1eted her test, pOsiti
successfully.
. .This test is regarded as important in that it demonstrates' .
that a person having.no ability-dr.knowledge of :51 or H techniques
IMcan assume control of and ruk., individual -via a code word.
. .
eritent consisted of placing bot
under deep trance, then rettrping them-In-a.
state� although in deep trance. � After
which; both in
the
' site
Ice, talked
out en left., DUring entire
under deep trance yet so
Id not suspect in any way
that.bot were Under complete SI,
control.:
It should be noted. that in both above-tests total amnesia
was obtained.
A.third short experiment was conducted testing whether tke
hearing of a subject under SI could be made sharper. Both
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DATE: 0,/131_ a0C:2,0
were tested on ten cards which were
ers across the room. In each case, both
were able to identify as much higher pe cen ate
ca'-..f sea than could other persons in the room sitting closer
to operator calling the cards. Test is significant, but, of course,
would require exhaustive tests on many subjects before positive con-
clusions could be reached.
Remainder of period was devoted to discussions regarding future
SI:and H. experimentationa.
Comment:
Both tests 1 and 2 regarded as highly.successful: