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brain size and intelligence News

Intelligence not related just to brain size as some birds show

Researchers have found that absolute brain size is not the only factor determining intelligence. Corvid birds such as crows, magpies, and jays have brains that perform as well as chimpanzees on some tasks measuring intelligence.

Op-Ed: Bigger brains not better – New study shows flaws in size theory

Sydney - New studies have shown that rats and mice, which have very different brain sizes, have similar intelligence. A new study suggests that the assumption of brain size as a measure of intelligence was an intuitive, but wrong, assumption.

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