Research Task on Schizophrenia

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A2 Psychology Research Task
Types of Schizophrenia:
Involves delusions of persecution and hallucinations.
Paranoid schizophrenia: Reduction of negative symptoms such as lack of emotional
expression and
incoherent speech.
Behaviour is aimless and disorganised. Speech is
Hebephrenic schizophrenia: incoherent. More lack of emotion/ display of emotion
Motor abnormality is the main characteristic. Strange
Catatonic schizophrenia: postures and limb flailing. Negativism where they resist
instructions to move.
Undifferentiated Individuals who have insufficient symptoms for any of the
schizophrenia: subtypes or too many symptoms to fit a particular category.
Postschizophrenic Criteria for schizophrenia have been met in the last 12
depression: months but are not currently present. Depressive symptoms
are prolonged and severe.
Residual schizophrenia: Criteria for schizophrenia have been met in the past but not
at present. There have been many signs of negative
symptoms in the past 12 months
Simple schizophrenia Slow and progressive development of social withdrawal,
apathy, poverty of speech and marked decline.
An acute disorder characterised by positive symptoms e.g.
Type 1 syndrome hallucinations, delusions and disorganised speech.
Type 2 syndrome: A chronic disorder characterised by negative symptoms
such as flattening of affect
**Evaluation of Type 1 and Type 2: Individuals can't easily be classified into one of
these distinctions. Blurred distinction between some subtypes: Reliability of
diagnosis can be weakened where those distinguished as having one subtype of
schizophrenia may later develop symptoms from another subtype.

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Clinical characteristics:
Chronic: there are harmful and subtle changes in an apparently normal
young person, who gradually loses drive and motivation then starts to
drift away from friends. After months or even years of this decline in
mental health, more obvious signs of disturbance such as delusional
ideas or hallucinations appear.
Acute: obvious signs such as hallucinations can appear quite suddenly,
usually after a stressful event. The individual shows very disturbed
behaviour within a few days.…read more


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