Summary
Psychology schizophrenia summary notes
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SCHIZOPHRENIAMental disorder occurring around 1% of population.
More likely in urban areas and in men.
, CLASSIFICATION-
Introduction organising symptom
into categories base
which symptoms clu
together
ICD 10- only negat
symptoms needed f
diagnosis, two or m
needed (universal)
DSM 5- only positiv
symptoms needed f
diagnosis one prese
POSITIVE- (just
excess/distortion
USA) of
functions
NEGATIVE- normal functions li
Secondary
(primary)symptoms- positive symptoms
depression, medication side effects, substan
abuse
, Reliability & validity
VALIDITY- extent to which classification of schz is true reflection of illness
patient is suffering from
- Criterion validity- extent to which using different classification systems
produces same diagnosis. Differences show lack of agreement on what schz is
COMORBIDITY- two different disorders at same time, two disorders one disorder?
SYMPTOM OVERLAP- two or more disorders share same symptoms e.g schiz +
bipolar meaning patient could receive different diagnoses so like, comorbidity-
one disorder?
RELIABILITY- consistency of diagnosis, if inconsistent, may over or under-
diagnose meaning incorrect treatment given
- Inter reliability= extent different assessors will have same conclusion
20XX
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