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We live in a world designed for right-handed people. If you're a lefty, you know the pain

of trying to track down left-handed scissors

or a pen that won't smudge as you write. Yet despite being overlooked by the designers of school desks,

corkscrews, and can-openers, lefties make up a small but consistent part of the population.

Today we're going to talk to a psychologist who studies handedness

and other aspects of brain lateralization about handedness, where it comes from, and what it can tell

us about how the brain is organized. So why does handedness exist in the first place? Why is it

more common to be right-handed than left-handed? How and when does handedness develop?

Is it genetically determined due to early life experiences or maybe a combination of the two?

Is there any truth to the stereotype that lefties are more creative than other people?

Are neurodivergent people more likely to be left-handed? Does handness or pawedness

exist in other animals? And why are left-handed people often underrepresented in brain research?

Welcome to Speaking of Psychology, the flagship podcast of the American Psychological Association

that examines the links between psychological science and everyday life.

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