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PSYCHOLOGICAL THEORIES ­
PSYCHODYNAMIC EXPLANATION
· Freud (1924) ­ Schizophrenia is a result of regression to a pre-ego stage
and an attempt to regain ego control
· If as a child someone was harshly treated it might make someone
regress to an earlier stage of life where the ego wasn't fully formed
· In schizophrenia this is shown through infantile symptoms (e.g.
delusions) and symptoms which suggest the ego is trying to regain
control (e.g. hearing voices)…read more

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PSYCHOLOGICAL THEORIES ­ COGNITIVE
EXPLANATION
· Agrees with the biological approach that schizophrenia has a
genetic cause
· However this approach explains that symptoms are due to
cognitive processes.
· Schizophrenics try to make sense of what they see or hear in
their initial symptoms by asking others if they see or hear it
· Others confirm that they can't see or hear it and then the
individual thinks they're being manipulated by others…read more

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PSYCHOLOGICAL THEORIES SUMMARY
Psychodynamic cognitive
Freud (1924) ­ Schizophrenia is a result Schizophrenia has genetic cause,
of regression to a pre-ego stage symptoms are due to cognition…read more

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EVALUATING PSYCHOLOGICAL THEORIES ­
PSYCHODYNAMIC EXPLANATION
· Freud (1924) doesn't have research evidence to support
his specific ideas, however psychoanalysts support him
· Reichmann (1948) believed that families who are
rejecting, moralistic or overprotective can contribute to
the development of Schizophrenia
· This supports Freud's theory that a harsh childhood
could cause someone to regress which could lead to
Schizophrenia…read more

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EVALUATING PSYCHOLOGICAL THEORIES ­
COGNITIVE EXPLANATION
· The cognitive explanation has supporting research that
provides evidence for the physical basis of cognitive deficits
that create schizophrenic symptoms.
· Lindenberg et al (2002) found a link between excess
dopamine in the prefrontal cortex and the working memory.
· This supports the explanation by illustrating how deficits such
as increased dopamine in the cognitive process can create
schizophrenic symptoms…read more

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