There is widespread concern that aged rhesus monkeys who have been housed singly for a long time would do better living alone than sharing a cage with a companion. Ten female and five male rhesus ...

Novak, M. A. (1996). Factors affecting the expression of self-injurious behavior in rhesus monkeys (Macaca mulatta) (Abstract No. 768). XVIth Congress of the International Primatological Society/XIXth ...

Male rhesus monkeys with destroyed amygdala will abandon their normally slow and cautious familiarization process and immediately approach other monkeys with whom they are unfamiliar, according to ...

The effects of sleep deprivation on cognitive function may be reversed by treatment with a compound called orexin-A, which occurs naturally in the mammalian brain. The new research was done with ...

Of two hunky monkeys, which would you say has the most sex appeal? That’s easier to answer if you’re a rhesus macaque (Macaca mulatta)—or Constance Dubuc, an evolutionary biologist at the ...