Classification of schizophrenia Flashcards
What is schizophrenia?
A mental disorder characterised by the withdrawal from reality, through hallucinations, delusions, disorganised thoughts, and speech and behavioural issues.
How is schizophrenia classified?
Two different axis systems - ICD-10 and DSM-V
(+) What are hallucinations?
Unusual sensory experiences - auditory (hearing voices) visual (seeing things) olfactory (smelling rubbish) or tactile (touch
(+) What are delusions?
False cognitive beliefs - either grandeur - emphasises ones power (I’m an MI5 agent) or persecutory (they’re going to kill me)
(+) What is disorganised speech?
Muddled sentences, incoherence, or made up words (neologisms)
(+) What is catatonia?
Motor immobility
(-) What is speech poverty?
Delays, interruptions, disjointed, or lacking facial movements
(-) What is avolition?
Lack of motivation, inability to make decisions, and not engaging in goal directed behaviour - links to depression and anxiety
When does schizophrenia develop?
In males - late teens. In females - early twenties
What is the prevalence of schizophrenia?
0.5% to 1.0% of the population worldwide
What is ICD-10?
Puts emphasis on cognitive functions of individuals - whether they experience thought insertion, thought withdrawal or thought broadcasting
What is DSM-V?
Puts emphasis on social and occupational functions of individuals - whether they can hold a job, maintain relationships or take care of themselves. It also considers co-morbidity.