Ant soldiers don't need big brains

Thursday, July 12, 2018 - 19:20 in Psychology & Sociology

Army ant (Eciton) soldiers are bigger but do not have larger brains than other workers within the same colony that fulfill more complex tasks, according to a study published in the open access journal BMC Zoology. A collaborative team of researchers led by Drexel University in Philadelphia, US and German colleagues suggests that because the very specific and limited tasks soldiers fulfill place limited cognitive demands on them, investment in the development of brain tissue is also limited.

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