Scizophrenia- Classifictaion and diagnosis Flashcards
What is schizophrenia?
-A servere mental disorder charcterised by profound disruption of cognitio and emotion
What does schizophrenia affect?
-Language
-Perception
-Thoughts
-Emotion
-Sense of self
What is type 1 schizophrenia ?
-Episodic
-Mainly positive symptoms
What is type 2 schizophrenia?
-Chronic
-Mainly negative symptoms
What are positive symptoms?
-Those that appear to reflect an excess or distortion of normal functions
Positive: What are hallucinations?
-Unreal perceptions usually auditory, visual, olfactory or tactive (being touched)
Positive: What are delusions?
-Beliefs that are not real
Positive: What is disorganised speech?
-A result of abnormal thought processes
-Slipping from one topic to the next
Positive: What is disorganised/catatonic behaviour?
-Reduced reaction to immediate environment
-Rigid posture
-Aimless motor activity
What are negative symptoms?
-Those that appear to reflect a diminution or loss of normal functions
Negative: What is speech poverty?
-Lessened speech fluency + productivity
Negative: What is avolition?
-Reduction in interests + desires
-An inability to initiate and persist in goal directed behaviour
Who was the DSM created by?
Americans
Who was the ICD created by?
WHO
What is the criteria for SZ according to the DSM?
2 out of:
-Delusions
-Hallucinations
-Disorganised speech
-Catatonic behaviour
-Negative symptoms
-Social/occupational dysfunction
-Must persist for at least 6 months
What is the criteria for SZ according to the ICD?
-whether at least two positive or negative symptoms are present in the patient
-Must be present for at least 1 month
Why is SZ difficult to diagnose?
-does not present as one set of clear-cut symptoms/ symptoms present differently in each patient
Negative: What is anhedonia?
-Inability to experience joy or pleasure
Negative: What is affective flattening?
-Diminished emotional expression
