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Sex categorization of conspecific pictures in Japanese monkeys (Macaca fuscata) | Semantic Scholar
Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: We investigated whether monkeys discriminate the sex of individuals from their pictures. Whole-body pictures of adult and nonadult monkeys were used as stimuli. Two male Japanese monkeys were trained for a two-choice sex categorization task in which each of two choice pictures were assigned to male and female, respectively. Following the training, the monkeys were presented with novel monkey pictures, and whether they had acquired the categorization task was tested.
Sexuality in Japan developed separately from that of mainland Asia , as Japan did not adopt the Confucian view of marriage , in which chastity is highly valued. Monogamy in marriage is less important in Japan, and married men often seek pleasure from courtesans. Prostitution in Japan has a long history, and became especially popular during the Japanese economic miracle , as evening entertainments were tax-deductible. Decreased sex drive in the 21st century has been blamed for the low Japanese birth rate and declining growth of the Japanese population.
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