The Powers and Perils of Intuition

There is ancient biological wisdom to this express link between perception and response. When meeting a stranger in the forest, one had to instantly decide: friend or foe? Those who could read a person quickly and accurately were more likely to survive and leave descendants, which helps explain why humans today can distinguish at a glance between facial expressions of anger, sadness, fear or pleasure.

Indeed, thanks to emotional pathways that run from the eye to the brain's emotional control centers—bypassing the cortex—we often react emotionally before we've even had time to interpret consciously. Below the radar of awareness we can process threatening information in milliseconds. Then, after the cortex has had time to interpret the threat, the thinking brain asserts itself. In the forest, we physically jump at the sound of rustling leaves, leaving the cortex to decide later whether the sound came from a predator or the wind.

Clearly, human intelligence is more than logic, and comprehension is more than consciousness. Psychologist George Miller illustrated this truth using a conversation between two ship passengers: "'There sure is a lot of water in the ocean,' said one. 'Yes,' answered his friend, 'and we've only seen the top of it.'"

Women's and Men's Intuitions

When Jackie Larsen left her Grand Marais, Minnesota, church group one morning in April, 2001, she encountered Christopher Bono, a clean-cut, well-mannered youth whose car had broken down. Larsen suggested he use the telephone at her shop to call for assistance, but when Bono later appeared, she felt a pain in her stomach. Sensing that something was wrong, she insisted they talk outside. "I can tell by your manners that you have a nice mother," Larsen said. Bono's eyes fixed on her. "I don't know where my mother is," he replied.

Larsen casually ended the conversation, directed Bono back to the church, then called the police and suggested they trace his license plate. Bono's car was registered to Lucia Bono, his mother, in Illinois. When police discovered Lucia dead in her bathtub, Christopher Bono, 16, was charged with first-degree murder.

Was it a coincidence that Jackie Larsen doubted Bono's calm exterior, or was it women's intuition, which so many believe is superior to men's? When surveyed, women are far more likely to describe themselves as empathic than are men. The gender gap in empathy also extends to behavior, though to a lesser degree. For instance, women are more likely to cry at another's distress. And the gap helps explain why both genders report that their friendships with women are more intimate, enjoyable and nurturing than are their friendships with men. When seeking understanding, both men and women usually turn to women.

One explanation for this is women's seemingly superior skill at reading others' emotions. In an analysis of 125 studies on sensitivity, Judith Hall, Ph.D., a Northeastern University psychology professor, discerned that women generally surpass men at decoding emotional messages. When shown a silent, two-second film clip of a woman who seems upset, women guessed more accurately that she was discussing her divorce rather than criticizing someone. Women's nonverbal sensitivity also gives them the edge in spotting lies. Research suggests they surpass men in discerning whether a male-female couple is genuinely romantic or a posed, phony couple.

This gender gap can be easily overstated—some men are more empathic and sensitive than the average woman—but it generally appears real and is celebrated by some feminists as one of "women's ways of knowing." Women more often base knowledge on intuitive and personal grounds. More than half of today's intuition books are authored by females. By comparison, in the "science and the paranormal" section of a 2001 Prometheus Books catalog, only four of 110 authors were female.

Psychologists debate whether the intuition gap is truly intrinsic to gender. Whatever the reason, Western tradition has historically viewed rational thinking as masculine and intuition as feminine, notes feminist historian Evelyn Fox Keller. Women's ways of knowing, argues feminist writer Mary Field Belinky, give greater latitude to subjective knowledge. She contends that women winnow competing ideas less through hostile scrutiny than by getting inside another's mind, and often by way of friendly conversation. Some personality tests show that nearly six in ten men score as "thinkers" (claiming to make decisions objectively, using logic), while three in four women score as "feelers" (claiming to make decisions subjectively, based on what they feel is right).

The Perils

It's true: Intuition is a big part of human decision making. But the complementary truth is that intuition often errs.

In July 2002, a Russian airliner's computer-guidance system instructed its pilot to ascend as another jet approached in the sky over Switzerland. At the same time, a Swiss air-traffic controller—whose computerized system was down—offered a human judgment: descend. Faced with conflicting advice, the pilot's intuitive response was to trust another human's intuition. Tragically, the two planes collided midair, killing everyone onboard.

The history of science tells story after story of challenges to human intuition. To our ancestors, the sun's daily travels had at least two plausible explanations: Either the sun was circling Earth, or Earth was spinning while the sun stood still. Intuition preferred the first explanation. Galileo's scientific observations demanded the second.

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