what is schizophrenia and dsm criteria Flashcards
what is schizophrenia?
the term literally mean split mind and is a serious condition associated with lack of association between thoughts and loss of contact with reality
who is affected by schizophrenia?
1% of general public have a risk of developing it
when does the first episode normally occur ?
late adolescence, early adulthood
what is the onset age for men and women?
m=18 w=25
how many people have the disorder in the uk?
250,000
what is the chance that people will recover?
25%
what are the types of symptoms?
- positive
- negative
- cognitive
what does the DSM criteria state for a diagnosis to occur?
there must be at least 2 symptoms and 1 must be from the first 3
what are the first three symptoms in the DSM criteria?
hallucinations, delusions and disordered thinking
what is a delusion?
beliefs that an individual golds that cannot be changed even when there is evidence against it. two types of delusions include grandiose (thinking you are of superior to others) and thought insertion (someone is putting thoughts in you’re head)
what is a hallucination?
experienced in the same way as perception of an external force except there doesn’t need to be a stimulus. Can be experienced in any modality, most common is auditory. For it to be a symptom the person must be fully awake or conscious
what is disorganised thinking?
thoughts are loosley connected or not connected at all. In serious cases language may be incomprehendable as no connections between words ‘word salad’. person randomly skips from topic to topic
what is disorganised behaviour?
any motor behaviour that severely affects ability to cope with daily life. includes catatonia which may results in loss of movement or repetitive movements
what is avolition?
a psychological state characterised by a general loss of motivation to complete usual tasks such as work
negative symptom
what is the difference between icd and dsm?
dsm no longer recognises the subtypes of schiz