Behaviourism
Core Idea: |
Human behaviour is learned and can be reshaped via conditioning |
Key Figures: |
John B Watson - classical behaviourism (environment shapes behaviour) |
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B F Skinner - operant conditioning (reinforcement and punishment) |
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Ivan Pavlov - classical conditioning (stimulus-response learning) |
MKULTRA Application: |
Attempted to “retrain” behaviour by pairing compliance with rewards or relief from discomfort. |
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Used pain, deprivation, or disorientation as punishment; calm periods or privileges as reinforcement. |
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Sought to create conditioned triggers for specific behaviours (e.g., an object or phrase as a compliance cue). |
Limitations: |
Behaviour change under coercion was unstable; subjects often developed resistance or trauma rather than permanent compliance. |
Psychoanalysis & Trauma Theory
Core Idea: |
The unconscious mind influences behaviour; trauma can alter personality and make individuals more suggestible |
Key Figures: |
Sigmund Freud – unconscious drives, repression |
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Anna Freud & ego psychology – ego weakening through stress |
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Pierre Janet – trauma and dissociation |
MKULTRA Application: |
The “depatterning” process (Ewen Cameron) — breaking down ego structures via drugs, ECT, and isolation. |
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Followed by “psychic driving” — repeated messages to implant new beliefs/behaviours. |
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Explored whether trauma-induced suggestibility could be exploited for interrogation or programming. |
Limitations: |
Trauma often caused unpredictable psychological damage rather than controlled suggestibility. |
Hypnosis Theory
Core Idea: |
Altered states of consciousness can increase suggestibility and responsiveness to instructions |
Key Researchers: |
Clark Hull, Milton Erickson |
MKULTRA Application: |
Combining hypnosis with drugs to lower defences. |
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Testing if commands could be implanted and later triggered (“hypnotic courier” concept). |
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Using post-hypnotic suggestion to influence behaviour or recall. |
Limitations: |
Effectiveness varied greatly between individuals; hypnosis couldn’t force actions strongly opposed to a person’s core morals in most cases. |
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Social Psychology
Core Idea: |
Human behaviour is shaped by group dynamics, authority, and social roles. |
Key Figures & Studies: |
Solomon Asch – conformity experiments |
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Stanley Milgram – obedience to authority |
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Kurt Lewin – group influence and change |
MKULTRA Application: |
Structuring interrogation environments where the experimenter’s authority was absolute. |
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Using isolation to remove competing social influences. |
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Leveraging peer pressure among subjects in group experiments. |
Limitations: |
Compliance under lab or captivity conditions didn’t always transfer to real-world loyalty or obedience. |
Cognitive Psychology
Core Idea: |
Mental processes such as memory, perception, and problem-solving can be studied and altered |
Emerging Figures (1950s–60s): |
George Miller (memory capacity) |
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Ulric Neisser (cognitive psychology founder) |
MKULTRA Application: |
Memory erasure: testing drugs and techniques to remove or block specific memories. |
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False memory implantation via hypnosis and suggestion. |
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Sensory distortion to disrupt perception of time, space, and reality. |
Limitations: |
Memory suppression unreliable; false memories possible but unpredictable in content and retention. |
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Sensory Processing & Perceptual Psychology
Core Idea: |
The brain relies on consistent sensory input; altering sensory flow can disrupt mental stability |
Key Figures: |
Donald Hebb (sensory deprivation research, McGill University) |
MKULTRA Application: |
Sensory deprivation tanks to induce hallucinations and breakdown. |
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Sensory overload (bright lights, loud sounds) to fatigue attention and disrupt thinking. |
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Studying how perception collapse increased suggestibility. |
Limitations: |
Severe perceptual disruption often caused psychosis or long-term anxiety rather than targeted compliance. |
Learning Theory & Habituation
Core Idea: |
Repetition shapes learning; new habits can replace old ones under controlled conditions |
MKULTRA Application: |
“Psychic driving” used repetitive audio loops to instil new beliefs. |
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Attempted to overwrite learned behaviours with new conditioning. |
Limitations: |
Often led to confusion and distress; retention of implanted beliefs was inconsistent. |
Psychopharmacology
Core Idea: |
Mental states and behaviours can be altered chemically by affecting neurotransmitter systems |
Key Substances Used: |
LSD-25, mescaline, scopolamine, amphetamines, barbiturates |
MKULTRA Application: |
Testing how altered neurochemistry affected perception, judgement, and susceptibility. |
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Seeking optimal drug combinations for “truth serum” effects. |
Limitations: |
Effects were unpredictable; same dose could cause compliance in one subject and panic or aggression in another. |
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