When an animal bonds strongly with the mother during a specific time in development, usually the first few hours after birth
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What was Lorenz's method?
took a clutch of eggs and put half in an incubator and left half with the mother, upon hatching, incubator eggs imprinted on Lorenz and half imprinting on the mother, ignoring the other one
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How long does imprinting last?
Forever
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What was Harlow's method?
8 infant rhesus monkeys were studied for 165 days. 4 received milk from wire mother and other 4 from cloth mother. Time spent with each mother and reactions to frightening stimuli was recorded
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What were Harlow's findings?
Infant spent more time on cloth mother regardless of who they got milk from, clung to cloth mother when frightened and held mother when exploring new objects
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what happened to motherless control monkeys?
socially maladjusted,
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Card 2
Front
What was Lorenz's method?
Back
took a clutch of eggs and put half in an incubator and left half with the mother, upon hatching, incubator eggs imprinted on Lorenz and half imprinting on the mother, ignoring the other one
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