Schizophrenia - Classification and Diagnosis Flashcards
1
Q
what is schizophrenia
A
severe mental disorder where contact with reality and insight are imapired
2
Q
how is schizophrenia diagnosed
A
ICD-10 = 2 or more negative symptoms
DSM-5 = 1 positive symptom
3
Q
what are positive symptoms
A
- symptoms experienced in addition to normal experiences
- hallucinations
- delusions
4
Q
what are negative symptoms
A
- loss of a usual experience
- speech poverty
- avolition
5
Q
how does diagnosis have good reliability
A
- inter rater reliability and test-retest reliability - reach same diagnosis for the same individual or 2 or more occasions
6
Q
how does diagnosis have low validity
A
Cheniaux et al (2009)
- 2 psychiatrists independently assessed 100 patients
- 68 under ICD and 30 DSM
- over or under diagnosing
7
Q
what is co-morbidity
A
- 2 conditions at the same time
- calls into question validity of the diagnosis
8
Q
how does diagnosis have gender bias
A
- men diagnosed more
- women go undiagnosed as they have support - may not be receiving treatment
9
Q
how does diagnosis have cultural bias
A
- hearing voices is common is some cultures
- cultures are discriminated against
