PY4 - Abnormal Psychology

Explanations of the aetologies of Schizophrenia based on the WJEC board

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  • Created on: 18-06-11 17:27
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Emily Hunt
PY4 Abnormal Psychology
Explanations of the Aetiologies of Schizophrenia
WJEC POTIENTIAL question: Discuss the aetiologies of Schizophrenia either physiological or
psychological explanations (They can ask you about one or both).
Psychological Explanations
Psychodynamic:
Schizophrenia is the attempt of the ego to re gain control, it reverts people back to the stage before
ego was developed.
EVALUATION
Parents use different communication skills
However...
There is no evidence support
Unscientific
Family Relationships, double blind:
Parents have gave out confusing signals when they were young. E.g. `I love you' *turns head in
disgust*
EVALUATION
Reduces researcher bias
However...
Falsifiable
Cognitive:
Biological factor initiate symptoms... Delusions occur when no one confirms they also hear the
voices, they begin to believe that everyone then lies to them. Hard to distinguish between what is
superficial and important details.
EVALUATION
Acknowledges biological factors
Explains the symptoms
However...
Incomplete explanation of the biological approach, why the symptoms occur
Diathesis:
Dopamine fired too easily, with too many D2 recptors, this gives the symptoms
EVALUATION

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Emily Hunt
PY4 Abnormal Psychology
Explains why the symptoms occur
However...
Reductionist, doesn't look at anything other than empirical data
Physiological Explanations
Enlarged ventricles
Schizaphrenics have 15% bigger ventricles, spaces in the brain. Showing difficulties, during the
development of the brain.
EVALUATION
Scientific, empirical data
However...…read more

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