SI AND H EXPERIMENTATION (21 SEPTEMBER 1951).

• Document Type: SPECIALCOLLECTION
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): 00428885
• Release Decision: RIPPUB
• Original Classification: U
• Document Page Count: 1
• Document Creation Date: January 23, 2025
• Document Release Date: August 23, 2000
• Publication Date: September 21, 1951

To: Files
Subject: SI and H Experimentation (21 September 1951).
On Friday, 21 Septemb
� ment using SI and H With
- conducted in Room 201.Bu
er conduCted an expert-
This experiment was .
The purpose of this experiment was to determine whether a
post hypnotic would operate effectively upon the subject and to
see if amnesia could be created in the subject.
An SI state was induced.into the subject, at which time, she
was told that each and every time the writer stroked his hair, she
would immediately go into a deep sleep. Subject was further told
she could resist and fight this post hypnotic as much as she cared
to. After the subject was awakened, the writer-dtrokedthis hair
and the subject went into a deep sleep. The subject was again
awakened and again a deep sleep was induced by the same method.
The subject was reawakened and subsequently induced into a deep
sleep by the post hypnotic gesture a total of three times. Each
and every time the subject stated she would try and resist, but
could not help herself.
A state of SI was induced in the subject and the writer .
queried the subject regarding her first- teac
replied that her first-year teacher was
then told the subject she would have comp e e amnes
ing. When the subject was awakened, she was asked if she remem-
bered anything that had occurred while she had been under the 51
state. The subject replied that she did not remember anything.
The subject was then told that she had stated that her first-year
teacher was nd with this jog of memory, she did
recall that ne aniswhile under SI.
On 24 September 1951, the subject stated that until this
report was dictated, she did not remember anything that happened.
under the SI state, i.e. the sequence of the events that tran-
pired while under the SI state.
APPROVED FOR RELEASE
DATE:
�
The subject
The writer
on aciaken-,