Schizophrenia Flashcards
Define Psychosis?
Inability to distinguish between symptoms of hallucination, delusion and disordered thinking from reality?
Psychosis is characterised by one or more of?
Thought Form Disorder
Delusions
Hallucinations
Delusions present how in Acute Organic Brain Syndrome/Delirium? (3)
Persuectory and Evanscent
Fluctate
Worse at Night
Depressive Episode with Psychotic Syndrome present (1)
Deregatory Auditory Hallucination
Which drug has been shown to modify course of established schizophrenic illness?
Cannabis
What form of cannabis has doubled risk of developing schizophrenia?
Skunk
Where are there brain changes in Schizophrenia? (3)
Frontal Lobes
Hippocampus
Ventricles
The NMDA Receptor does what in Schizophrenia?
Hypofunction
What happens to Gaba Signalling in Schizophrenia?
Impairment
Which neurotransmitter is most implicated in Schizophrenia?
Dopamine
What happens to the MesoLimbic Pathaway in Schizophrenia?
DA Overactivity with Pos Symptoms
What happens to the Mesocortical Pathway in Schizophrenia?
DA Underactivity with Neg Symptoms
What happens to the Nigrostriatal Pathway in Schziophrenia?
D2 Blockade by Antipsychotics associated with Parkinsons
What happens to Tuberoinfundibular Dopamine Pathway in Schizophrenia?
D2 Blockade by Antipsychotic which leads to Increased Prolactin Levels
Psychosis affects how many people per 100?
1 per 100
Schizophrenia affects which gender most?
Both Equal
Age of onset of Schizophrenia?
15-35
Age of onset in men for Schizophrenia?
28
Age of onset for females for Schizophrenia?
32
Type of Hallucinations in Schizophrenia?
3rd Person Auditory
What 3 Symptoms are Positive Schizophrenia
Hallucinations
Delusions
Disordered Thinking
What 3 Symptoms are Negative Schizophrenia
Apathy
Lack of interest
Lack of emotions
Cognitive Symptoms in Schizophrenia?
Impaired Attention
Memory
Executive Function
Name Schneider’s First Rank Symptoms in Schizophrenia (7)
Thought Broadcasting Thought Withdrawal Delusional Perception Auditory Hallucinations Delusions of Control Passive Phenomena Somatic Passivity
What is thought withdrawal?
Thoughts being taken from head by some external force or person
What is delusional perception?
A delusion which arises because of completley unrelated happening in external reality