Effects of Privation

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  • Effects of Privation
    • Harlow (1958)
      • Monkeys were kept in cages fro m being babies.
      • Baby monkeys were kept without their mothers or any form of caregiving.
      • Kept in cognitively impoverished conditions.
      • Monkeys were often terrified when introduced to other monkeys.
      • They often cowered, rocked and bit themselves.
      • Sometimes very aggressive and showing no social abilities.
    • Curtiss (1977)
      • Studied Genie.
      • Only been given minimum amounts of food since birth, was strapped to a chair in the day time and was locked in a cage at night.
      • Genie had not been spoken to directly all of the her life never learnt how to talk.
      • Although Genie learnt to say words, she was never able to learn language and grammar.
      • It is difficult to tell if Genie's difficulties after she was found were down to her mistreatment.
        • Genie may have had a learning difficulty before, but it is impossible to tell.
    • Koluchova (1976)
      • Czech twins were kept in a cellar and beaten.
      • Before being put in a cellar, they were in care then looked after by their aunt.
      • Twins were very fearful and couldn't talk very well upon recovery.
      • Twins made a remarkable recovery and grew to be cognitive functioning adults.
      • It was concluded that development of left hemisphere (where language centre is) must have developed before the age of 18 months.
    • Ways of reversing effects.
      • Effects can be modified by support of others.
        • Harlow- Effected monkeys paired with younger 'therapist monkeys' who they bonded with. this reduced later effects.
      • The effects on the Czech twins were revered by been taken into a loving home.
        • They caught up on speech and went on to university.
      • The longer privation occurs, the more difficult it is to reverse the effects.
        • Loving relationships and high quality care are essential for reversal of effects of privation.

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