Clinical Characteristics of schizophrenia
- Created by: rianna
- Created on: 04-12-12 18:42
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- Clinical characteristics of Schizophrenia
- Negative Symptoms
- Alogia- Poverty of speech, characterised by the lessening of speech, fluency and productivity, thought to reflect flowing or blocked thoughts
- Affective flattening- A reducttion in the range of intensity of emotional expression, including factual expression, voice eye contact and body
- Avolition- the reduction of or inability to initiate and persist in goal directed behaviour often mistaken for apparent disinterest
- Prognosis
- Some symptoms in early adulthood 20% fully recover 40% potentially recover 40% continue psychotic episodeds
- Positive Symptoms- Presence of abnormal behaviours
- Hallucinations Hearing voices commenting on what you are doing
- Disorganized thinking and speech- Patients experience thoughts coming into there minds from and extended source
- Delusions- Patients experience their actions as being controlled by outside forces
- Diagnostic Criteria
- DSM Diagnosis and statistical manual, this is a classification system
- At least 2 symptoms must have been experienced for 1 month
- Continuous signs of disturbance must have been present for 6 months
- Before the onset of the symptoms there must have been a marked drop in interpersonal relations and out care
- Possibility of Schizoaffective Disorder and Mood Disorder must have been ruled out
- Disturbance must not be due to direct physiological effects of a substance
- If there is a history of a persuasive developmental disorder schizophrenia is only diagnosed if prominent delusions or hallucinations are present for a month
- Subtypes
- DSM AND ICD recognise that there are different subtypes
- An individual may show a specific combination of symptoms and be diagnosed with a particular subtype
- Particular subtypes are paranoid, simple, catatonic, hebephremic, residual, post schizophrenic depression, undifferentiated schizophreniai
- Incidence & Prevelance
- 100,000 to 500,000 people in the uk likely to be diagnosed with the disorder,
- Disadvantaged backgrounds especially young men are at greatest risk
- Psychotic experiences may happen to anyone in circumstances of extreme stress
- Other Symptoms
- Inappropriateness of affect- refers to emotional expressions which are inappropriate to the situation eg laughing at bad news
- Catatonic Behaviour- refers to motor abnormalities involves wild flailing of the limbs and random energetic movements or unusual postures eg standing on one leg for a long period of time
- Definition schizophrenia is a sevvere mental illnes characterised by a disruption of thought and emotion that affects the persons language, perception, affect and sense of self
- Negative Symptoms
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