Schizophrenia: Classification Flashcards
What is the major system for classification of mental disoders in the UK?
ICD-11
What is the major system for classification of mental disorders in the USA?
DSM-5
What is needed to be diagnosed under ICD-11?
Two or more negative symptoms
For one month or longer
What is needed to be diagnosed under DSM-5?
One positive symptom
For at least one month
What does ICD-11 recognise?
Subtypes of Sz
What is are some examples of a Sz subtype?
Paranoid Sz
Catastrophic Sz
What is Paranoid Sz characterised by?
Powerful delusions and hallucinations
What issues does catastrophic Sz involve?
Problems with patient’s movements
Does DSM-5 categorise Sz into further subtypes?
Nope
What is a positive symptom?
An additional experience beyond those of ordinary existence
What are some examples of a positive symptom?
Hallucinations
Delusions
What are hallucinations?
Unusual sensory experiences that have no basis in reality, can affect any sense.
What is an auditory hallucination?
Hearing voices that aren’t present
What is a visual hallucination?
Seeing objects that aren’t present
What are delusions?
Irrational/false beliefs that have no basis in reality, they make people with Sz behave in a way that seems normal to them but is bizarre to us
What are delusions of persecution?
A false belief that you are being harassed.
E.g., by the government
What are delusions of control?
A false belief that you are being controlled by something external.
E.g., by aliens
What are negative symptoms?
A loss of usual abilities
What are some examples of negative symptoms?
Avolition
Speech poverty
What is avolition?
Severe loss of motivation to carry out everyday tasks and difficulty to begin or keep up with goal directed activity
Who identified the three signs of avolition?
Andreason
What are the three signs of avolition?
Poor hygiene and grooming
Lack of persistence in work or education
Lack of energy
What is speech poverty?
A reduction in the amount and quality of speech, sometimes accompanied by a delay in the sufferers verbal responses during conversations or lack of fluency.
