ON 18 NOVEMBER 1952, SI AND H EXPERIMENTATION WAS CARRIED ON IN BUILDING 13, ROOM 20, WITH (DELETED)

• Document Type: SPECIALCOLLECTION
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): 00428137
• Release Decision: RIPPUB
• Original Classification: U
• Document Page Count: 2
• Document Creation Date: January 23, 2025
• Document Release Date: August 23, 2000
• Publication Date: November 18, 1952

18 November 1952 (lhesday)
MilWls e o attend this session. e e
On 18 November. 1952, SI an *mentati
ng
In view of the success of the experiment of 28 October 1952 in
which the subjects maintained a deep hypnotic state, carried out�ir-
tensi e tc: for 45 minutes, it was decided to test
n a s ar d more c lex operation. o m e
a es , �o ere given a routine
induction test and gi g es ion o a mo deeper test immedi-
� ately following.
� The second and. more important te-st of the evening was them ex-
allewriter ran both subjects into a deep hypnotic s ith
y s an act in a normal manner while in a deep trance state. The
e t the room and the writer had both subjects open t eir
present. After the deep state had been reached,
reviously told the subjectSthv weraoing to meet
upon awakening, introduce bjects
and instructed the subjec ould
e writer then left the room. agreement
then had both subjects go to the ladies room, put on the
ata and coats, sign out and get into his automob
followed the subjects (still in a deep trance) an
proceded to the writer's apartment. The wr car,
entered the apartment and closed the door. nstrteted
the subjects"to-go to the apartment where t y wou e met by a
gentleman.they had never seen before. The subjects entered the writer's
apartment and a pre-arranged conversation took place with the subjects
in a deep sleep state. Thereafter, the writer instructed both-sub-
jects to go into the bedroom and lie down upon one ,of the twin beds.
Each gubject did this and on instruction when they'reached the bed
thevwent faat asleep. Thereafter the subjects were fully awakened
by nd there reactionsmere noted.
,
were extremely startled, particularly so of
who had previously visited the writer's apart-
had some idea that the place was. familiar to
ttd she ere. no knowledge e was or how
ated that iad partially
during the rip an e had returnedmer to a deeper sleep
enable him to carry out the rest of the experiment.
her.
she arrive
awakened
state to
APPROVED FOR RELEASE
DATE: CCX7)
In general, the experiment may be re.garded. as successful as the
sults were achieved by md particularly since
as never been a good hyp1T.ic sy ect. For matter of recora,
cn1
s was the first in a series of experiment along these lines, testing
� the reactions of hypnotic individuals over considerable space and time
and as to how_much outside interference can be felt without,awdkening
the subjects from a deep sleep state. Furthermore, these experiments
are designed to see how "normal" individuals in a deep sleep state
can appear while acting in a routine manner or in a state of normal
social conduct. /