SI AND H EXPERIMENTATION, 23 OCTOBER 1951.

• Document Type: SPECIALCOLLECTION
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): 00428104
• Release Decision: RIPPUB
• Original Classification: U
• Document Page Count: 1
• Document Creation Date: January 23, 2025
• Document Release Date: August 23, 2000
• Publication Date: October 23, 1951

DATE:
To: File
Subject: SI and H Ebcperimentation,3 October 1951.
On Tuesday, 23 October 1951 SI and H experiments were rried
on in Building 13, Room 20, with
AIIIIIPas subjects. .
_
.- .
It was decided that some experimentation should again be car-
ried out along the lines of obtaining information from individuals
who were under full SI influence. Ac6ordingly, all present discussed
the matter thoroughly and it was agreed that one of the best possible
tests done easily would.be an attempt to obtain from
the combination of the safes that had
een entrusted o tirseeepin To beit
writer very emphatically briefed
under no circumstances would thefdivulge the safe combination to
anyone asking for it regardless of how the approach was m re-
41
after both subjects were induced into a deep SI state by
then tried by every direct approach that he could make to
114 a rom the subjects the combinations of the s es bu in each
,in
effort he was totally unsuccessful. In addition, at-
tempted to secure this information from the subjec't butThis results
were also unsuccessful.
the
that
In th' matter of record, it should be noted
that boti attempted directly to6btainthe safe
numbers using both the direc command and a number of neruasive
4
b 't direct-approaches. Since these were unsuccessful, and 11
and the writer agree that the next efforts along these lines
141 1 i_ e made indirectly possibly- using a method of creating hallu-
cinations or by a concealed telephone approach or some other method
of a more subtle type.
The concluding part
a total catalepsy in bo
periments were entirely successful and a toti.ca alepsy was reached
to such an extent each girl was capable of being expended between two
chairs in a test method. It should be noted in connection wIththe -
above that a total catalepsy had also been reached b
in another experiment conducted several days previous ,
Since the first experiment of the evening had consumed a con-
siderable amount of time, no further tests were made during this
session.
APPROVED FOR RELEASE
d of obtaining
These ex-