The Wisdom of Psychopaths

Research psychologist Kevin Dutton opens with a personal connection to his subject: His father, a London market trader, was a psychopath. Charming, fearless, and lacking in conscience, the elder Dutton possessed an uncanny ability to turn any situation to his advantage. His observation that the human fear response, once useful against predators, is now oversensitive in a world without saber-toothed tigers anticipated a central claim of modern evolutionary psychology. Dutton uses his father's example to frame the book's thesis: Psychopathic traits, applied in moderation, can confer significant advantages in everyday life. Psychopathy, he argues, is like sunlight. Overexposure is destructive, but controlled doses can enhance well-being.

Chapter 1 explores the paradox that the same traits found in serial killers also appear in surgeons, soldiers, spies, and CEOs. Dutton describes holding the brain of serial killer John Wayne Gacy, whose autopsy revealed nothing anatomically abnormal, illustrating that the difference between a psychopathic and a normal brain lies in function, not structure. Robert Hare, a leading authority on psychopaths at the University of British Columbia, explains that psychopaths exhibit drowsy-state brain waves during normal waking activity, meaning their brains are literally less "switched on" than others.

The chapter introduces the distinction between "hot" empathy, which involves emotionally sharing another person's feelings, and "cold" empathy, which involves understanding those feelings without sharing them. Through the trolley problem, Dutton shows that most people will flip a switch to divert a runaway trolley and save five lives at the cost of one but refuse to physically push a person off a bridge to achieve the same outcome. Psychopaths show no such hesitation, and brain imaging reveals no activation in their amygdalae, the brain's emotion-processing centers, when the dilemma becomes personal. A 2005 study found that psychopathic attributes were more common in business leaders than in hospitalized criminals, though criminals scored higher on antisocial traits. Dutton compares the distinction between functional and dysfunctional psychopathy to dials on a mixing desk, where the difference lies in levels and combinations of traits.

Chapter 2 examines how psychopathy is defined and measured. Dutton traces personality science from Hippocrates' four temperaments to the modern Big Five model: Openness to Experience, Conscientiousness, Extraversion, Agreeableness, and Neuroticism. When experts rated psychopaths on these traits, the profile showed extremely low Agreeableness, minimal anxiety, but high Assertiveness and Excitement Seeking, producing charisma alongside glacial unpredictability. Dutton distinguishes psychopathy from Antisocial Personality Disorder (ASPD): While ASPD is diagnosed in 80 to 85 percent of prison populations, only about 20 percent of prisoners qualify as psychopaths under Hare's Psychopathy Checklist-Revised (PCL-R). Yet this minority commits roughly half of the most serious crimes. Joseph Newman at the University of Wisconsin-Madison challenges the idea that psychopaths cannot feel fear, proposing instead that they fail to notice threats when focused on a task.

Chapter 3 uses game theory, a branch of mathematics that models strategic decision making, to explain why psychopathy persists in the human gene pool. Andrew Colman at the University of Leicester modeled psychopathy's evolutionary stability: When computer simulations converted payoffs into units of reproductive success, the population evolved to an equilibrium mirroring the real-world incidence of psychopathy, approximately one to two percent. Political scientist Robert Axelrod's computer tournament demonstrated that the most successful strategy in repeated interactions, TIT FOR TAT, cooperates first and then mirrors its opponent's previous move. Its success depended as much on its willingness to punish defection ruthlessly as on its default cooperativeness, suggesting the optimal social strategy contains psychopathic elements.

Chapter 4 argues that psychopathic traits confer concrete advantages in professions like espionage, surgery, and finance. A 2005 gambling study found that patients with lesions in emotion-processing brain areas made better financial decisions than normal participants. Robert Hare's 2010 study of over 200 top U.S. business executives found psychopathic traits more prevalent among them than in the general population, positively associated with charisma, creativity, and strategic thinking. Researchers at Vanderbilt University discovered that individuals with high psychopathic traits released nearly four times as much dopamine, a neurotransmitter associated with reward, in response to stimulants, explaining their intense reward-driven focus. Dutton proposes a formula: Functional psychopathy equals psychopathy minus poor decision making, divided by context.

Chapter 5 asks whether society is becoming more psychopathic. Hare says yes, citing cultural desensitization, while Harvard psychologist Steven Pinker, author of The Better Angels of Our Nature, argues that violence has actually declined over centuries. Dutton reconciles these positions: Society may be less violent but more psychopathic, because psychopathy now manifests primarily through emotional rather than physical harm. Sara Konrath at the University of Michigan found college students' empathy levels 40 percent lower than 20 to 30 years ago, while narcissism levels have risen. Avshalom Caspi and Terrie Moffitt at King's College London discovered that boys who were abused and carry the low-activity variant of the monoamine oxidase A (MAOA) gene, which regulates an enzyme linked to aggression, are at increased risk of becoming violent psychopaths. This finding led to a landmark legal case in which genetic testimony reduced a murder charge to voluntary manslaughter.

The chapter culminates in Dutton undergoing a "psychopath makeover" via transcranial magnetic stimulation (TMS), a technique that temporarily alters brain activity using electromagnetic pulses. Tested alongside Andy McNab, former commander in Britain's Special Air Service (SAS), whose physiological readings dropped below baseline during violent imagery, Dutton's own readings initially spiked. After TMS was applied to regions connected to his amygdala and moral reasoning centers, he experienced heightened confidence, sharpened attention, and reduced moral anxiety. Viewing the violent images again, his readings approached McNab's, but the effects wore off within 30 minutes.

Chapter 6 presents Dutton's visits to Broadmoor Hospital, where he solicits psychopathic patients housed in dedicated Dangerous and Severe Personality Disorder (DSPD) wards for their perspectives on everyday problems. He shares results from his Great British Psychopath Survey, which found that the most psychopathic professions include CEO, lawyer, media professional, salesperson, and surgeon, while the least psychopathic include care aide, nurse, therapist, and teacher. From the patients' advice, Dutton distills seven functional principles he calls the "Seven Deadly Wins": ruthlessness, charm, focus, mental toughness, fearlessness, mindfulness, and action. One patient argues that failing to act ruthlessly when circumstances demand it is a vice disguised as a virtue. Another defines charm as the ability to smooth the path for people you cannot stand. A retired trader explains that great traders exclude emotion from the decision-making process entirely. Dutton emphasizes that the power lies in contextual application: One must step into a psychopathic character when needed and then revert to normal. The patients' problem is that their dials are permanently stuck on maximum.

Chapter 7 argues that psychopathic and spiritual states share surprising neural overlap. Dutton presents Saint Paul as a probable psychopath: ruthless, fearless, repeatedly imprisoned yet undeterred, and a masterful social chameleon. Neuroscientist Kent Kiehl's brain-imaging research found that psychopaths make faster, more utilitarian moral decisions in high-conflict scenarios, with reduced activity in the anterior cingulate cortex, the brain's conflict- and error-monitoring region. This is the same neural signature found during states of "flow," the heightened focus described by psychologist Mihály Csíkszentmihályi. Richard Davidson at the University of Wisconsin discovered that elite Buddhist monks in deep meditation exhibit the same brain asymmetry pattern, associated with reduced anxiety and enhanced focus, that appears in psychopaths during high-stakes tasks. The book presents a Venn diagram of psychopathic and spiritual traits, showing overlap in fearlessness and present-moment focus while distinguishing psychopaths' egocentricity from spiritual practitioners' compassion. Dutton closes with Don Marquis's poem about a moth drawn to a flame, preferring brief, intense beauty to safe longevity, a parable of the psychopathic temperament.