SI AND H EXPERIMENTATION, 1 DECEMBER 1953

• Document Type: SPECIALCOLLECTION
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): 00428211
• Release Decision: RIPPUB
• Original Classification: U
• Document Page Count: 2
• Document Creation Date: January 23, 2025
• Document Release Date: August 23, 2000
• Publication Date: December 1, 1953

To: File
Subject: SI and H txperikentation, 1 December .1953.
ec
On Tuesdayla'December 1953 S
oom 20
�
In view of the fact that there were
cludinis. entirely ne *oluntee
work group into
in connection
below).
�.The writer then
carried ,out on Tues
the neW lunterrS,
-7?rk and
-- �
At the
tested both
tests Using
resen
'so' many present, in-
r again divided the
continued operations
eport appended �
continued the conversations as previously
ng particularly to
he nature of the
y problems involved.
iscussion, the writer
dard suggestibility
as observers.
� . At the conclusion Of these tests, the writer' ran again a-
wry slow relaxing tests in which all subject Participated:. After
another short.discussion in Whi
and answers,the.writer tested
eye concentration teit. In the
no ou
achiebed but it should be noted for the record that no extensive
effort was made to obtain a deep hypnotic state in any of the
individuals present. It should also be noted that these new
volunteers all expressed continued interest and a willingness
to continue work along these lines.
Special Comment: The writer notes that it as considerably
� difficult to fibii conduct intensive H work with as many as
five volunteers in the operations room for various reasons.
The first is the room is crowded, the second is the air
conditioning unit is not functioning and the air becomes
stale with cigarette smoke and the third is that it is
difficult to concentrate on one individual at the expense
of the others present since it is important in this work
to maintain the absolute interest of all:volunteers present.
ions
in an.
tsTwere
APPROVED FOR RELEASE
DATE: r e�
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