schizophrenia Flashcards
1
Q
define schizophrenia
A
group of psychotic disorders that are characterised by a loss of contact with reality
2
Q
features of schizophrenia
A
- prevalence rate of 1%
- typically begins in late teens or early 20s
- episodic illness- period of psychotic disorders as well as normal functioning
- starts with low mood or anxiety, and active phase follows with specific symptoms
- psychotic episodes can last from 1-6 months to a year
- 2/3 make substantial progress
- can be acute (sudden) or chronic (gradual)
3
Q
define positive symptoms
A
reflects an excess of distortion of normal functions
4
Q
positive symptoms of schizophrenia
A
- hallucinations- perceptual disturbances, including auditory and visual
- delusions- believing things aren’t true
-disorganised speech- echolalia, nonsense of gibberish
5
Q
define negative symptoms
A
reduction or loss of normal functions
6
Q
negative symptoms of schizophrenia
A
- speech poverty/alogia- reduction in quality and amount of speech
- avolition- lack of desire or motivation for anything
- affective flattening- loss of expression and emotional response, unexpected emotions
- anhedonia- lack of pleasure seeking behaviours
- catatonic behaviour- affect a persons ability to speak, move or respond to their environment, motionless, frantic movements
7
Q
diagnosis of schizophrenia
A
- DSM states they must show at least two of delusions, hallucinations, disorganised speech, catatonic behaviour or any negative symptoms- one from the first 3
- must be present for at least 6 months
- subtypes are not recognised in DSM-V- paranoid, disorganised or catatonic
8
Q
how are mental disorders diagnosed
A
- DSM 5 is the american manual used to classify and describe over 200 disorders
- ICD 100 is used in Europe