Psychosis Flashcards
1
Q
Define psychosis
A
Presence of hallucinations or delusions
2
Q
What are hallucinations in the “normal” population?
A
Hypnogogic = when going to sleep Hypnopompic = waking up
3
Q
Define a delusion
A
A fixed false belief that is unshakeable and outside cultural norms
4
Q
What are the 3 types of auditory hallucination ?
A
thought echo, running commentary and third person
5
Q
Which neurotransmitter is thought to cause schizophrenia?
A
Dopamine
6
Q
Which dopamine pathway gives positive symptoms?
A
mesolimbic
7
Q
Which pathway gives negative symptoms?
A
mesocortical
8
Q
What change happens to the brain in schizophrenia?
A
Enlarged ventricles, reduced grey matter, decreased temporal lobe volume
9
Q
What is a typical antipsychotic?
A
blocks all D2 receptors in all CNS dopaminergic pathways
