Frith's model
cognitive model of schizophrenia
also known as a neuropsychological model
- Created by: Robyn
- Created on: 10-01-14 12:57
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- Frith's model of Schizophrenia
- Sz= Schizophrenia/ schizophrenics
- Sz patients
- cannot distinguish actions by external and internal forces
- Preconscious
- unaware of processes
- automatic
- unlimited capacity
- deals with inconsequential info
- Conscious
- highest level of cognitive functioning
- full subjective awareness
- limited capacity
- one task at a time
- filter between
- Preconscious
- unaware of processes
- automatic
- unlimited capacity
- deals with inconsequential info
- Preconscious
- deals with consequential info
- Frith believes...
- 1) filter between breaks down
- 2) inconsequential info in conscious
- 3) unimportant info seen as important
- 4) leads to delusions
- Auditory hallucinations
- 1) always surrounded by sound
- 2) only important info dealt with
- 3) Szs= no filter
- 4) non-speech sounds can be converted to speech
- faulty filter underpinned
- irregularity of the neuronal pathways
- connect hippocampus to pre-frontal cortex
- linked to faulty regulation of dopamine
- connect hippocampus to pre-frontal cortex
- changes in cerebral blood flow in Sz brains
- while engaged in cognitive tasks
- irregularity of the neuronal pathways
- no universal support
- criticised
- no environmental factor acknowledgement
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