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1 .This is Scientific American 60-Second Science. I'm Sophie Bushwick. Got a minute?
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2 .People with anorexia see themselves as heavier than they actually are.
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3 .But does this distorted self-image inform unconscious behavior?
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4 .Scientists are opening doors to find out. Literally.
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5 .Body image and doorways are linked, because the ability to navigate your environment depends on a sense of how the body exists in space.
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6 .For example, your unconscious perception of your body's width makes you automatically swivel your shoulders to squeeze through a narrow opening.
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7 .To test this kind of body perception in anorexic patients, researchers recruited 39 women, 19 with anorexia and 20 without the condition.
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8 .All 39 women walked through portals of varying sizes while performing a distracting memorization task.
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9 .The non-anorexics began turning their shoulders to edge through when openings got down to 25% wider than their bodies.
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10 .But the anorexics, perceiving themselves as large, started turning when the openings were 40% wider than their bodies.
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11 .The study is in the journal PLoS ONE.
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12 .The researchers say that body image distortion thus affects not just perception, but action,
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13 .which could have implications for treatments.
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14 .Thanks for the minute, for Scientific American 60-Second Science. I'm Sophie Bushwick.
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