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Psychology individual differences

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April Addison

on 8 May 2012

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Transcript of Psychology individual differences

The Biological/ Medical model of abnormality Psychological disorders are not always linked to our genes. Life stresses can be linked with illnesses such as depression Bodily functions are heavily influenced by our genes and hormones. Nature VS nurture All behavior is associated with changes in brain function Pathological disorders can be explained by abnormal changes in the structure and functions of the brain Everyday experiences can affect our brain chemistry Neurotransmitters (eg. low levels of serotonin) Individual Differences Born to become how we are Environment, shapes & behavior (our experiences) Can lead to psychopathological disorders (eg. depression) Evaluation Genetic heritability in psychopathological disorders ranges from anxiety to schizophrenia Drug treatment targets the biological basis of disorders, not always the actual cause. Brain scanning has aided our diagnosis & treatment of many mental disorders. ( eg. CAT, MRI, PET) Diathesis stress Genetic link in family to trigger a disorder eg: Life stress eg: Death eg: Individual differences Reductionist. Only reasons for disorders are changes in the brain Ignores a persons' environmental reasons for behaviour Biological approach to treatment involves the development of drugs eg: Chemotherapy The Structure of Personality 1) ID Reservoir of unconscious and instinctual psychic energy Operates on the pleasure principle Born with it! Psychic energy is the libido (life instincts). Can be directed into aggression 2) Ego Develops during early childhood. Represents our conscious self. Operates on the reality principle Tries to balance the demands of the Id for self-gratification with the moral rules imposed by the superego/conscience. Regulates interactions with our immediate environment 3) Superego Our personal moral authority or conscience Develops in late childhood through identification with one or another parent. Child internalizes the moral rules and social norms of society.
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