Animal Studies - AO1 Flashcards
What was Lorenz’s procedure?
Randomly divided goose eggs, one half stayed with Lorenz and the other half stayed with the mother
What did Lorenz find?
Lorenz’s geese followed him every where even when mixed with the control groups b/c they imprinted on him
Define Imprinting
When bird species that are mobile from birth follow the first moving object they see
What is the critical period for imprinting?
A few hours after hatching
How did Lorenz conclude ‘sexual imprinting’?
He saw that in a zoo a peacock imprinted on a tortoises and because of this as an adult the peacock would only direct mating/courtship behaviours to tortoises
What was Harlow’s procedure?
Presented baby monkeys either a milk dispensing wired mother or a cloth-covered mother
What did Harlow find?
That the baby monkeys preferred the the cloth-covered ‘mother’ and sort comfort from it when frightened
Showing, that contact comfort was more imp than food when forming an attachment
What happened to the monkeys that continued to be reared by the wired mother?
Experienced maternal deprivation - they became dysfunctional, more aggressive and less sociable
Some even killed or neglected their own children
What critical period did Harlow find?
A critical period of 90 days - after attachment was impossible to form
