Schizophrenia- characteristics of behaviour Flashcards
What is schizophrenia?
-Profound disruption of cognitive and emotional affecting a persons language, thoughts, perceptions and sense of self
-Includes cognitive, behavioural and emotional dysfunctions
-Can have cluster of signs and symptoms associated with impaired occupational or social functioning
-Life long illness but those affected aren’t coherent nor do they display psychosis all the time
What are positive symptoms?
Atypical additional experiences beyond those ordinary existence
Examples of positive symptoms?
Hallucinations
Delusions
Disordered thinking
Pos- what are hallucinations?
Unusual sensory experiences
Can be related to environment or completely unrelated
Can be visual, auditory, olfactory (smell) and/or tactile (touch)
Auditory are most common
Pos- hallucinations Lewandowski et al?
Treat hallucinations are present in approximately 20% of the SZ cases and individuals can experience formication which is sensations under the skin resembling small insects e.g. spiders, sensations so real that the persons experiencing it initially can’t appreciate the feeling is just hallucinations
Pos- what are delusions?
Delusions are strongly held false beliefs
Delusions persist even when there is evidence against their beliefs
Pos- what are the different types of delusions?
Delusions of grandiosity
Delusions of reference
Delusions of persecution
Pos- what are delusions of grandiosity?
Believing they are important/historical political figure (jesus/neapolitan)
Pos- what are delusions of reference?
Believing people are trying to send messages or make contact via TV/Radio
Pos- what are delusions of persecution?
Paranoid delusions were they believe others are trying to harm them/plotting against them
Positive- disordered thinking?
Result of abnormal thought process
The patient has trouble organising thought processes which then manifests in speech
This can be quickly switching between topics (perailment) sometimes mid sentence or speaking gibberish
People with SZ often report that their thoughts are not their own (thought insertion) and are believed to have been inserted by a third party)
What are negative symptoms?
Negative symptoms SZ involve the loss of unusual abilities or experiences
What are the 5 negative symptoms?
Alogia
Avolition
Anhedonia
Flatness of affect
Catatonic behaviour
Negative- what is alogia?
The focus is on the reduction in the amount and the quality of speech sometimes called poverty of speach
Negative- what is avolition?
Difficulty beginning or keeping up with goal directed activity
Loss of motivation to carry out daily tasks (apathy)