Infant monkeys choose tactile comfort over food when seeking emotional security
Harry Harlow's 1958 experiments revealed that infant rhesus monkeys prioritize tactile 'contact comfort' over physical sustenance, spending up to 18 hours a day clinging to soft cloth surrogates rather than wire ones providing milk.
Infant rhesus monkeys isolated from their peers demonstrate that emotional security is a more fundamental drive than hunger. In his 1958 study, psychologist Harry Harlow observed that when given a choice between a cold wire 'mother' that provided milk and a soft cloth 'mother' that provided none, the infants overwhelmingly chose the latter. These monkeys spent nearly 18 hours a day huddled against the cloth surrogate, only visiting the wire version for brief intervals to feed.
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