Psychological Explanations of Schizophrenia

Psychological explanations of Schizophrenia including Behavioural, Psychodynamic, Cognitive and Dysfunctional Families (Double-Bind Hypothesis and Expressed Emotion Theory). Brief explanation of Diathesis Stress Model in relation to Schizophrenia

All with relevant AO2 points

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  • Created by: jb1995
  • Created on: 21-12-12 23:08

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Psychological Explanations of Schizophrenia

AO1 ­ Behavioural Explanation

The basic assumption of behaviourist psychology is that all behaviour is
learnt ­ normal and abnormal. This explanation believes that
Schizophrenia is a learned response to certain environmental events. In
1982, Liberman proposed that we all learn to respond in socially

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The main assumptions of psychodynamic psychology are based around
the psyche and its three components (ID, ego and superego), and the
role of defence mechanisms. It suggests that childhood
experiences/psychosexual development can affect later behaviour.
This explanation proposes that Schizophrenia is caused by faulty
defence mechanisms ­ mainly regression.

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The main assumptions of cognitive psychology are that behaviour results
from cognitive processes ­ abnormal behaviour is believed to be caused by
faulty thought processes and patterns in the brain.
Hemsley (1993) proposed that the main deficit in Schizophrenia is a
breakdown in the relationship between information already stored as…

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The messages typically express both care and criticism, which can lead
to confusion, self-doubt and eventual withdrawal.
There are 3 main characteristics of this type of relationship:
1. the relationship is emotionally intense
2. the parent gives two contradictory messages (usually care and
criticism) simultaneously
3. the child/receiver is unable…

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1. hostility
2. critical comments
3. emotional over-involvement
4. warmth
5. positive remarks

There is thought to be a positive correlation between levels of
Expressed Emotion and relapse rates in discharged patients.
Vaughn & Leff found that patients living with high EE in their home
environment had a 51% chance…

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The Diathesis Stress Model (in relation to Schizophrenia) is one of the
most widely accepted explanations of Schizophrenia.
This model links biological vulnerability to environmental stressors;
claiming that Schizophrenia can be caused or triggered when an
individual who has a biological predisposition (such as a genetic
vulnerability) is exposed to…




I love the clear layout of this and concise points :)

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