Whitten effect

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The synchronization of the oestrous cycles of a group of females living together, occurring only when a male or his pheromone is present. It has been observed in rats, hamsters, voles, goats, cows, sheep, and humans, and is believed to operate via the vomeronasal organ. Also called the male mouse effect. Compare Lee-Boot effect. [Named after the Australian reproductive biologist Wes (Wesley Kingston) Whitten (1918–2010) who first reported it in 1959]

Subjects: Psychology.

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