Schizophrenia: basics Flashcards
Define Schizophrenia
A mental illness where the contact with reality and insight and impaired
Facts of schizophrenia
about 1% of population
more common in men
more common in city
Define Classification
Process of organising symptoms into categories based on which symptoms cluster together in sufferers
Define Symptom
Mental feature which is regarding as indicating a condition of disease
Define Diagnosis
Identification of the nature of an illness by examination
Positive symptoms of schizophrenia include:
- Hallucinations
- Delusions
Negative symptoms of schizophrenia include
- Avolition
- Speech poverty
Two types of classification systems:
- ICD-10
International classification of disease edition 10
British
Recognised subtypes of schizophrenia - DSM-5
Diagnostic and Statistical manual edition 5
American
Doesn’t recognise subtypes
Issues with diagnosis and classifying:
- reliability
- validity
- co-morbility
- symptom overlap
- gender bias
- culture bias
Issues with diagnosis and classifying:
- Reliability
consistency
- inter rater reliability (doc 1 + 2 give same diagnosis)
- test reset (doc 1 gives same patient same diagnosis and 2 separate times)
Issues with diagnosis and classifying:
- Validity
Criterion validity
Will ICD and DSM give the same diagnosis?
Issues with diagnosis and classifying:
- Co-morbility
two of more conditions occur together
are they just the same thing?
Issues with diagnosis and classifying:
- Symptom overlap
Share a lot of the same symptoms
are they the same thing?
Issues with diagnosis and classifying:
- Gender bias
gender of patient and doctor effect
Issues with diagnosis and classifying:
- Culture bias
culture of patient and doctor effect
