Tag Archives: Handedness

A note on handedness

JMS Pearce Hull, England, United Kingdom   Handedness (chirality) refers to the preferential use of one hand over the other. It is a matter of degree; it is seldom absolute. Population left and right preference existed in the Neanderthals (lived from 400,000 to about 40,000 years ago) onwards. Only homo sapiens amongst the great apes […]

Left-handedness: Is it the winner’s curse?

Isuri Wimalasiri Kandawela Estate, Ratmalana, Sri Lanka   Writing left-handed. Photo by *Physalis on Flickr. CC BY-SA 2.0. Most human beings, some 85% to 95%, are right-handed, and the remainder consists mainly of left-handers and a negligibly small number of ambidextrous people. Hand orientation is decided during intrauterine life, but if a child shows hand preference […]