"classification Of Schizophrenia. Positive And Negative Symptoms Of Schizophrenia" Flashcards
What does schizophrenia appear to be a collection of?
Unrelated symptoms
What are the 2 major classification systems of mental disorders
DSM (US) AND ICD (UK)
How many negative symptoms must an individual have in order to be diagnosed with schizophrenia according to the ICD
2 or more
What does the ICD recognise in regards to schizophrenia
That there are subtypes e.g paranoid schizophrenia
According to the ICD, for how long must an individual show 2 or more negative symptoms of Schizophrenia to be diagnosed
One month or Longer
What types of symptoms are required for diagnosis of schizophrenia according to the ICD
Negative symptoms
A negative Symptom is described as a Loss of what
Usual abilities and experiences
What are the 2 Negative symptoms linked with schizophrenia
Avolition and Speech Poverty
Avolition involves a severe loss of what
Motivation to complete everyday tasks
Who identified the 3 signs of Avolition
Andreason (1982)
What were Andreason’s 3 signs of Avolition?
Poor hygiene/grooming, lack of persistence and lack of energy
Speech poverty involved a reduction in what
Amount and quality of speech
What may speech poverty be accompanied by
A Delay in response time in conversation
What may speech poverty also involve as well as a reduction in amount and quality of speech
A lack of Fluency
According to the DSM(US) how many positive symptoms must an individual show to be diagnosed with schizophrenia
1
What does the DSM NOT recognise
That there may be sub types of schizophrenia
For how long must an individual exhibit 1 positive symptom to be diagnosed with schizophrenia
A month or longer (same as the ICD)
What types of symptoms does the DSM use to classify schizophrenia
Positive symptoms ( ICD uses negative)
A positive symptom involved an additional what
Experience that is beyond ordinary
What are the 2 types of Positive symptoms linked with schizophrenia
Hallucinations and Delusions
What kind of experience is a hallucination?
An unusual sensory experience
The experience of hallucinations have no what?
Basis in Reality
What kinds of hallucinations may an individual with schizophrenia experience
Auditory or visual hallucinations (i.e hearing/seeing things not present)
What is a delusion?
An irrational belief without basis in reality
