Anatomical and physiological studies have revealed at least thirty separate areas with visual functions in the cortex of monkeys, and there could be even more visual areas in the cortex of humans. One view of the division of labor among the visual...

Primates are one group (order) of mammals that evolved about 65 million years ago (mya). The early primates were probably small tree-dwelling (arboreal) animals that hunted for insects at night. Today we recognize at least 167 living species in the...

Primates are an order of mammals. Most primates are characterized by well-developed binocular vision, a flattened, forward-oriented face, prehensile digits, opposable thumbs (sometimes the first and second digits on the feet are also opposable), five...

Biologists classify species into a nested series of groups or taxa (see TAXONOMY); the term primate labels one such taxon, at the classification level called an Order, a group within the more inclusive Class Mammalia. The primate order presents great...

Surprisingly few non-human primates have been used in the more than forty-five years of space exploration. Some of these missions were essential for humans to travel into the near reaches of space. A total of twenty-nine non-human primates have flown...

A primate is any member of the biological order Primates, the group that contains all the species commonly related to the lemurs, monkeys, and apes, with the last category including humans.[2] Primates are found all over the world. Non-human primates...