Psychosis

Question 1

What can lead to Psychotic symptoms?

Answer 1

Delirium ( acute )
Dementia
Personality disorder
Mania Depression
Schizophrenia
Drugs

Question 2

What can delirium be caused by?

Answer 2

Acute brain failure
Clouding of consciousness
Attention defecit
Alcohol

Encephalopathy, injury stroke etc. (more long term than delirium, can progress into dementia etc)

Question 3

Examples of Mania depression leading to psychotic disorders?

Answer 3

Puerperal psychosis

Schizoaffective psychosis

Question 4

What else can cause ‘madness’?

Answer 4

Drugs - Cocaine, Sterioids, Anticholinerhics

Metabolic - Ca2+, Mg2+, Cu2+, Vit B12

Endocrine - Thyroid cushing’s, Addison’s

Infections - Encephalitis, Syphillis

Question 5

What are the common symptoms for Pyshosis?

Answer 5

Hallucinations
Delusions
Thought disorder

Many underlying causes leading to ‘reality failiure’

Question 6

Why may delusions come about?

Answer 6

Results of efforts to make sense of perplexity

Question 7

What are the positive symptoms for schizophrenia?

adding to experience

Answer 7

Hallucinations
Delusions
   Persecutory/Grandiose
     - Delusional perceptions
     - Delusions of control
     - Thought delusions or interference

Question 8

What are the negative symptoms for schizophrenia?

taking away from life

Answer 8

Anhedonia
Apathy
Social withdrawal
Blunted mood

Question 9

What category of symptoms to thought disorder, disorganised speech/behaviour and inappropriate affect come in?

Answer 9

Disorganised symptoms

Question 10

What is the genetic component of schizophrenia?

Answer 10

80% of cases due to heritability

more than 200 genes can be involved, epigenetic causes are the most common

genes tend to be linked to neurodevelopment and dopamine 2 receptor functions.

Question 11

What can be seen in schizophrenic px PET scan?

Answer 11

Striatal dopamine

stimulus independent thought and self reflection. (made own reality)