schizophrenia -cognitive explanations Flashcards
what is the cognitive explanation of SZ based on?
.role of mental processes
what is schizophrenia associated with?
.several types of abnormal information processing
who came up with the dysfunctions of thought?
.beck and rector (2008)
how many dysfunctions of thought is there?
.3
what are the 3 dysfunctions of thought?
.metrepresentation
.central control
.egocentric bias
who came up with metarepresentations as a dysfunction of thought?
.frith et al (1992)
what is meant by metarepresentations?
.it is the ability to reflect on thoughts and behaviours
.schizophrenics sometimes fail to recognise their own thoughts and actions as being carried out by themselves
who came up with central control?
.frith et al (1992)
what is meant by central control?
.ability to suppress automatic responses while we perform deliberate actions instead
.schizophrenics have a dysfunctional central of control meaning they have disorganised speech because each word the say triggers an association
what is meant by egocentric bias?
.schizophrenic patients see themselves as the centre of the universe, everything revolves around them
what is a strength to the cognitive explanation of SZ?
.evidence supporting the idea that information is processed differently in the minds of schizophrenics -shirling et al (2006) compared 20 SZ patients with 18 controls in a stroop test and found SZ patients performed poorly -took over twice as long as controls
what are the negatives to the cognitive explanation of SZ?
.correlation doesn’t mean causation -relationships don’t prove causation -reduces validity
.reductionist -ignores the role of genetics in SZ, where ripke et al has proved there are 108 genes associated with SZ