Outline and evaluate biological explanations of schizophrenia (essay)

24 mark essay: Outline and evaluate biological explanations of schizophrenia
word of advice (from experience)= don't be lazy and refer to schiz/schizo's throughout you'll lose marks!  
Hope it's useful(:  

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  • Created by: Sonia
  • Created on: 05-04-12 15:11

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`Outline and evaluate biological explanations of schizophrenia' (24 marks)

The biochemical explanation offers one explanation for the cause of schizophrenia in
terms of neurotransmitter release. It suggests that schizophrenia could be caused by
an excess of dopamine and a message overload in the brain. This is due to receptor

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lobes in comparison to non- schizophrenics, and type 2 schizophrenics PET scans
reveal low activity in the frontal lobe. These differences between schizophrenics
and non- schizophrenics brains suggest that it is a brain abnormality that may be the
cause of the disorder. However the differences between the two types of…




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