Schizophrenia: symptoms and features Flashcards
Give a definition of schizophrenia
Splitting or internal disturbance and disruption of thought processes, feelings and perceptions
Key features
Key features
What % of risk do individuals have of developing schizophrenia
1%
How does schizophrenia affect men vs women
Symptoms of schizophrenia appear first in men (teens) compared to women (20s)
- Likelyhood of developing schizophrenia is equal
What is the risk factor of developing it in the UK
1 in every 100 people
- Rural areas are more prone to it
Symptoms
Symptoms
What are the 2 different types of symptoms for schizophrenia
Positive and negative symptoms
Give a definition for positive symptoms
Any change in behaviour or thoughts
Definition of negative symptoms
People appear to withdraw from the world around them, no interest in social interactions, appear emotionless.
What are all the positive symptoms of schizophrenia
Thought insertion
Thought broadcasting
Thought withdrawl
Hallucinations
Delusions
Define thought insertion
Experiencing one’s thougths as someone else’s
Define thought broadcasting
patients think their thoughts are being broadcasted aloud
Define thought withdrawl
Thoughts being took out of patients minds
What are hallucinations
Experience involving apparent perception of something that isn’t there
What are the different types of hallucinations
- Auditory hallucinations - hearing voices from outside commenting on your behaviour
- Visual hallucinations - seeing images or colours that aren’t there
- Somatosensory hallucinations - Body feels different (numbness, burning sensations etc)
- Depersonalisation hallucination - feeling seperated from the body
define delusions
holding strong beliefs despie obvious contrary evidence
Examples of different delusions
- Delusion of grandeur - thinking you are someone you’re not
- Delusion of persecution - belief that someone is mistreating you
- Delusion of reference - thinking everything is about you
- Delusion of nihilism - belief that you do not exist
What are negative symptoms
People appear to withdraw from the world around them, no interest in social interactions, appear emotionless.
What are some negative symptoms of schizophrenia
- Thougth process disorder - inability to concentrate/ having disorganised speech
- Disturbance of affect - showin wrong emotions
- Psychomotor disturbance - slowing or reduction in physical movement
- Apethetic - showing no feelings or interest
- Lack of avolition - total lack of motivation
How does ICD-10 diagnose schizophrenia
- Requires symptoms to be present for a minimum of 1 month
- If theres evidence of extensive depression, diagnosis is not possible.
- If dealing woth nagative symptoms 2 have to be present
