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Introduction
Pages 5-9

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From page 5...
... Because of the great variety of needs of the many nonhuman primate species and the lack of understanding of their mental states, the sponsors of this report asked the National Research Council (NRC) to recommend ways in which to assess and promote psychological well-being.
From page 6...
... However, it is often not clear what specific benefits enrichment devices provide or which devices actually provide enrichment, inasmuch as there are enormous individual and species differences in responses to such devices. As a consequence of the inadequacy of an engineering approach to psychological well-being, the committee believes that the focus should be on the primates themselves and on their reactions to various features of life in captivity.
From page 7...
... In addition to humans, primates include apes, New World and Old World monkeys, and an assortment of other forms collectively referred to as prosimians, such as tarsiers, lemurs, aye ayes, and bushbabies. Nonhuman primates range in size from the diminutive mouse lemur, weighing only a few grams, to the gigantic mountain gorilla, weighing more than 180 kg.
From page 8...
... , exceptional ability to modify behavior (intelligence, learning capacity, and behavioral flexibility) , and prominent and consistent sociality associated with highly differentiated social relationships.
From page 9...
... It should be emphasized, however, that many gaps exist in our knowledge of psychological well-being in nonhuman primates. The problems are multifaceted and cannot be wholly divorced from broader concerns regarding conservation, primatology, the effective and judicious use of primates in research, and other uniquely human enterprises.


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