The Art and Science of Thought Suppression
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The Art and Science of Thought Suppression Daniel M. Wegner Harvard University Try to pose for yourself this task: not to think of a polar bear, and you will see that the cursed thing will come to mind every minute. Fyodor Dostoyevsky (1863) Winter Notes on Summer Impressions Dostoyevsky’s Challenge As you say your thoughts aloud, please try not to think of a white bear —but mention it or ring the bell if you do 6 5 4 3 2 1 Mentions in 5 Minutes 0 Suppression Wegner, Schneider, Carter, & White (1987) Paradoxical effects of thought suppression Bell Rings Per Minute During Intentional Thinking 6 5 4 3 2 1 0 12345 Minute Post-suppression Pre-suppression Wegner, Schneider, Carter, & White (1987) Paradoxical effects of thought suppression The Science of Thought Suppression In the analysis of the examples a counter-will can regularly be recognized which opposes the intention without putting an end to it. Sigmund Freud (1914): The Psychopathology of Everyday Life The strongest tendencies to automatic activity in the nerves often run most counter to the selective pressure of consciousness. William James (1879): Are We Automata? Ironic Process Theory An intentional operating process • Effortful searches for mental contents to • Conscious create the desired mental state • Interruptible An ironic monitoring process • Automatic searches for mental contents that • Unconscious signal the failure of mental control • Uninterruptible Wegner (1994): Ironic processes of mental control Attention What color is the word? HouseSex+ Red Blue Wegner, Erber, & Zanakos (1993): Ironic processes in the mental control of mood and mood-related thought During color naming… Participants suppress or think about target word Low load trials (Intentional operating process continues uninterrupted) High load trials (Intentional operating process interrupted, ironic monitoring process continues) Wegner, Erber, & Zanakos (1993): Ironic processes in the mental control of mood and mood-related thought Color-naming Reaction Times (msec) NONTARGET WORD TARGET WORD 540 530 520 510 500 490 480 470 460 450 Suppress Think Suppress Think Low Load High Load Wegner, Erber, & Zanakos (1993): Ironic processes in the mental control of mood and mood-related thought We stand upon the brink of a precipice. We peer into the abyss--we grow sick and dizzy. And because our reason violently deters us from the brink, therefore do we the most impetuously approach it. Edgar Allan Poe (1845): The Imp of the Perverse Motion Wegner, Ansfield, & Pilloff (1998): The putt and the pendulum: Ironic effects of the mental control of action Perception Seconds holding down key to report seeing target “Try not to see the duck” vs. Try to see the rabbit” Try to see Try not to see No instruction 0 60 120 “Try not to see the cat” vs. Try to see the swan” Slesar & Mack (2005): Perversible figures: An ironic process in perception Arousal 0.8 0.6 0.4 0.2 Suppress 0 Think -0.2 Sex Dancing (microSiemens) -0.4 SCL deviation from baseline -0.6 Thought Topic Wegner, Shortt, Blake, & Page (1990) The suppression of exciting thoughts Anxiety Trying to relax… Progressive relaxation for anxiety Adler, Kraske, & Barlow (1987): Relaxation-induced panic Panic-prone participants are likely to experience panic attacks during relaxation therapy SCL (in uSiemens) 7.0 6.0 INSTRUCTION/LOAD 5.0 4.0 RELAX/HIGH 3.0 RELAX/LOW 2.0 NONE/HIGH 1.0 NONE/LOW 0.0 -1.0 -2.0 12345678910111213 PRE TEST POST MIN Wegner, Broome, & Blumberg (1997) Ironic effects of trying to relax under stress Sexual Arousal Instruction Groups • Relax (watch erotic films) • Inhibit (watch films, paid for lack of erection) • Fantasy (no films, paid for erection) Results “With two drinks, the ability of many subjects to inhibit their sexual response voluntarily was impaired” “Three drinks of alcohol typically impaired the ability of subjects to voluntarily produce fantasy arousal” Rubin and Henson (1976): Effects of alcohol on male sexual responding Attraction Wegner, Lane, & Dimitri (1994) The allure of secret relationships Attraction 1.4 1.2 1.0 0.8 Secret 0.6 Nonsecret 0.4 0.2 Relative Attraction to Partner to Attraction Relative 0.0 Footsie Nonfootsie Wegner, Lane, & Dimitri (1994) The allure of secret relationships Sleep [is like] a dove which has landed near one’s hand and stays there as long as one does not pay attention to it; if one attempts to grab it, it quickly flies away. Victor Frankl (1965): The doctor and the soul MEAN MINUTES TO FALL ASLEEP 45 40 35 30 LOW LOAD (NEW AGE) 25 20 HIGH LOAD 15 (MARCHES) 10 5 0 DON'T TRY TRY TO SLEEP INSTRUCTION Ansfield, Wegner, & Bowser (1996) Ironic effects of sleep urgency Dreams Why do we dream about… Falling? Being chased? Strange and embarrassing events? Dreams Why do students dream about… Waking up late for school? Forgetting everything at the exam? Dreams Why do professors dream about… Going totally blank during a lecture? Losing the toilet paper while we have a box on our head? Dreams Wishes suppressed during the day assert themselves in dreams Sigmund Freud (1900): The Interpretation of Dreams Dream Rebound Mean mentions of person in dream reports Target Nontarget 1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 Mention Expression Suppression Pre-Sleep Thought Instruction Wegner, Wenzlaff, & Kozak (2004) Psychopathology Instructed thought suppression: Increases thoughts of smoking during quitting (Toll, Sobell, Wagner, & Sobell, 2001) Increases fear of dentists (Muris, Jongh, Merckelbach, Postema, & Vet, 1998) Reduces immune response (Petrie, Booth, & Pennebaker, 1998) Increases distress in rape survivors suffering from PTSD (Shipherd & Beck, 1999) Increases thoughts about pain and decreases pain tolerance (Cioffi & Holloway, 1993; Masedo & Esteve, in press) Psychopathology Dispositional thought suppression predicts: Depression, anxiety, and obsessive-compulsive disorder (Wegner & Zanakos, 1994) Poor coping in accident victims (Aaron, Zaglul, & Emery, 1999) Dissociative memory experiences following trauma (van den Hout, Merckelbach, & Pool, 1996) Intentional self-injury in adolescents (Najmi, Wegner, & Nock, 2007) Intrusive suicidal thoughts (Pettit et al., 2008) The Science of Thought Suppression Attention Perception Motion Arousal Anxiety Sexual Arousal Attraction Insomnia Dreams Psychopathology The Art of Thought Suppression Direct Suppression + Mental Load = Ironic Effects Direct Suppression + Mental Load = Ironic Effects Withdraw from load (e.g., cut back multitasking) Direct Suppression + Mental Load = Ironic Effects Withdraw from load (e.g., cut back multitasking) Relax Direct Suppression + Mental Load = Ironic Effects Withdraw from load (e.g., cut back multitasking) Relax Revise timelines or priorities Direct Suppression + Mental Load = Ironic Effects Withdraw from load (e.g., cut back multitasking) Relax Revise timelines or priorities Ask for assistance Direct Suppression + Mental Load = Ironic Effects Indirect Suppression Direct Suppression + Mental Load = Ironic Effects Indirect Suppression Find an absorbing distracter Wegner, Schneider, Carter, & White (1987) Paradoxical effects of thought suppression Direct Suppression + Mental Load = Ironic Effects Indirect Suppression Find an absorbing distracter Hypnosis Hypnotic Enhancement Sentence Completions Relevant to Suppressed Thought 3.0 2.5 Suppression 2.0 Nonsuppression 1.5 1.0 High Low Hypnotic Susceptibility Bryant & Wimalaweera (2007) Direct Suppression + Mental Load = Ironic Effects Indirect Suppression Find an absorbing distracter Hypnosis Mindfulness/Meditation Direct Suppression + Mental Load = Ironic Effects Indirect Suppression Find an absorbing distracter Hypnosis Mindfulness/Meditation Talking about it Direct Suppression + Mental Load = Ironic Effects Indirect Suppression Find an absorbing distracter Hypnosis Mindfulness/Meditation Talking about it Paradoxical approach: Acceptance Now every kind of fear grows worse by not being looked at. The proper course is to think about it with great concentration until it has become completely familiar. In the end familiarity will blunt its terrors; the whole subject will become boring, and our thoughts will turn away from it, not, as formerly, by an effort of will, but through mere lack of interest in the topic. When you find yourself inclined to brood on anything, the best plan is always to think about it even more than you naturally would until at last its morbid fascination is worn off. Bertrand Russell (1930): The Conquest of Happiness With thanks to… Matthew Ansfield Robin Bowser Alexis Broome David Blumberg Sam Carte Sara Dimitri Ralph Erber Meg Kozak Julie Lane Sadia Najmi Dave Schneider Joann Short Rich Wenzlaff Teri White National Institute of Mental Health Sophia Zanakos National Science Foundation www.wjh.harvard.edu/~wegner.