schizophrenia Flashcards
How many symptoms do you need to have in ICD-11 to get diagnosed and for how long
*2 or more negative symptoms
*1 month or more
How many symtopms do you need to have in DSM-5 to get diagnosed and for how long
*1 positive symptom eg hallucinatios
*atleast 1 month
Does DSM- 5 have subtypes of schizo?
No
Does ICD-11 have subtypes of schizo? Name one if it does
Yes- paranoid schizo
Name the positive symptoms
*hallucinations- unusual experiences w no basis in reality can be visual or auditory
*delusions- irrational/false beliefs w no basis in reality, make ppl w schizo behave in wayws that make sense to them but bizzare to others
Name a type of delusion in schizo
*delusions of persecution- false beliefs of getting harrased
*delusion of control- false beliefs that being controlled by somet external
Name negative symptoms
*avolition- loss of motivation to carry out everyday tasks, difficulty to begin/keep up w goal orientated tasks
*speech poverty- reduction in the amount and quality of speech
-sometimes delay in verbal responses/ lack of fluency
What is a diagnosis? 2 marks
*identification of an illness or other problem
*by examination of symptoms
*eg- someone hearing voices
Whats classification? 2 marks
*action/process of classifying somet
*classification of disease according to symptoms
*eg- a symptom is hallucinations
What is meant by reliabilty in schizo
*whether consistent results can be gained when classifying and diagnosing schizo
*extent to which DSM-5 and ICD CONSISTENTLY agree on how schizo should be classified
*extent to which 2 or more health profs consistently agree on same diagnosis
What is meant by validity in schizo
*accuracy of identifying schizo symptoms in individuals
*extent to which ICD and DSM accurately identify symptoms
*2 or more health prof accurately diagnose SZ
Research into reliabilty and classification
*Cheniaux- 2 psych to diagnose 100 patients using DSM and ICD
DSM:
*1 psych diagnosed 26 people- DSM
*2 psych- 13 ppl- DSM
ICD:
*1 psych w ICD- 44
*2 psych w ICD- 24
Shows low inter- rater validity- as one found almost the double the amount.
What does Cheniaux experiment show about the validity of DSM-5 and ICD
*as one psych diagnoses almost the double the num of patients using ICD than DSM, questions how accurate both are for outlining symptoms
Define symptom overlap
*two or more conditions share similar symptoms- eg dep and SZ both share avolotion
Define co-morbidity
*2 conditions occur AT SAME TIME.
*SZ mostly diagnosed w other conditions like OCD as they share symptoms- avolition