32.3 MB (3.8 MB compressed)
2947 x 3836 pixels
24.9 x 32.5 cm ⏐ 9.8 x 12.8 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
This adult female Rhesus Macaque (Macaca mulatta) displays no normal maternal responsiveness to her young infant, because the mother was socially deprived when young. Maternal deprivation experiments performed by Harry Harlow of the University of Wisconsin in the 1950's involved separating infant monkeys from their mothers and rearing them with surrogate mothers made of wire or cloth. The monkeys were kept in partial or total isolation, in wire cages or in "pits" or "wells of despair." These experiments found that comfort, security and affection are necessary for a monkey's healthy psychosocial development.
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