Week 2 Flashcards
What is Schizophrenia?
A psychotic disorder or syndrome characterised by disturbance in thought, perception, volition, emotion with impairment in judgment & behaviour to a certain extent.
What are the 5 subtypes of schizophrenia?
- Paranoid Type
- Catatonic Type
- Disorganised Type
- Undifferentiated Type
- Residual Type
What is a positive symptom?
- Delusions
- Hallucinations
- Disorganised thoughts
- Disturbance in language
What is a negative symptom?
- Blunting affect
- Anhedonia
- Asociality
- Avolition
- Apathy
- Thought blocking
- Poverty of speech
What are the 3 interrelated factors (according to the biomedical theory) that occur with the development of Schizophrenia?
- Brain anatomy (lower brain tissue volume & higher cerebrospinal volume)
- Genetic predisposition (persons’ having a higher risk if their parents or siblings have been diagnosed with the illness)
- Brain biochemistry in which the neurotransmitter dopamine has abnormal action or amount
What are the 4 stages of Schizophrenia?
- Prodromol Phase- Initial symptoms developing
- Acute Phase- Acute psychotic symptoms
- Maintenance Phase- Acute symptoms are less severe
- Stabilisation Phase- Remission of symptoms
Schizophrenia is associated with what biochemical change?
Dopamine excess in the Brain
Define the term ‘Psychosis’
A condition in which a person has impaired cognition, emotional, social and communicative responses and interpretation of reality.
What does the term ‘Anergia’ mean?
Lack/loss of energy.
What does the term ‘Anhedonia’ mean?
Loss of pleasurable feelings associated with previously favoured activties.
What does the term ‘Asocialty’ mean?
Lack of interest in joining social activites/ preference for solitary activities.
What does the term ‘Avolition’ mean?
Loss of motivation resulting in impairment in goal-directed activties.
What effect do ‘Antipsychotics’ have on the Brain?
They assist the brain to restore the chemical imbalance by blocking dopamine receptors.
What do ‘Typical’ and ‘Atypical’ antipsychotics treat? (symptom wise)
Typical - Treat negative symptoms
Atypical - Treat both positive and negative symptoms.
Name the 5 typical antipsychotics
- Chlorpromazine (Largactil)
- Haloperidol (Haldol)
- Thioridazine (Mellaril)
- Trifluoperazine (Stelazine)
- Pericyazine (Nuelactil)
