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Psychological Explanations of Sz
Descripción
A mind map outlining the A01 and A02 points for an essay
Mapa Mental por
bebe97
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bebe97
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Resumen del Recurso
Psychological Explanations of Sz
Diathesis-stress model
A01
Suggests Sz have bio predisposition to disorder then stressful life event trigger psychotic symptoms
Bio predisposition
Psychological vulnerability
Faulty thinking
Environmental triggers
Psychotic symptoms
A02
Research support
Brown + Birley
Found approximately 50% of people experienced major life event in 3 weeks prior to Sz episode, whereas only one in 9 weeks prior to that
D-s model poses more of a holistic approach to explanation of Sz
Takes in to account mental + social factors
Psychodynamic approach
A01
Abnormal upbringing leads to weak + fragile ego, can't contain ids desires, therefore ego broken down leaving id in overall control of psyche
Person loses contact w/ reality
Can no longer distinguish between themselves + others, their desires + fantasies + reality
Regression to state of 'primary narcissism' leads to hallucinating as result of basic inability to distinguish between imaginations + reality
A02
Research support
Oltmanns et al
Found parents of Sz patients behave differently from parents of other kinds of patients
Approach isn't falsifiable
There is no way to disprove it
It is also deterministic
Claims that one thing will lead to another
Family models
A01
Double-bind theory
Bateson
Contradictory signals by fam. members lead to internal conflict
Sz symptoms are result of trying to escape D-B
Usually mother
Expressed emotion
Brown
Fam. members display high levels of EE
Increases stress levels in patient beyond their coping mechanisms, triggering Sz episodes
A02
Research support
Brown et al
Found relapse more likely where fam. is high in 'expressed emotion'
58% VS 10%
Cannot establish cause + effect
EE may be effect brought about by behaviour of a Sz rather than being a cause of Sz
Labelling theory
A01
Scheff
Sz symptoms seen as deviant from rules of 'normal behaviour'
If person displays these behaviours they may be labelled Sz leading them to display more of the symptoms
A02
Research support
Rosenhan
Found once label of Sz had been applied it influenced way staff behaved towards patient
Too simplistic
Fails to take into account bio explanations
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