Week 10 lecture: Schizophrenia
Somatoform & dissociative disorders – neuroses.
Change in term to psychoses in the 1980’s.
Thought to be harder to address using things like
counselling as more serious break from reality.
Because occurs cross culturally, think strong
Dementia Praecox (biological) ->
Split mind (functional perspective) ->
Splitting in Schizophrenia involves a breaking
down of thought processes. Everything still
functions – comp. to dissociative identity
disorder – parts that don’t function. Counselling mostly unsuccessful. Meds can help.
Positive symptoms: functional excess.
Negative symptoms: functional deficit.
Disorganised symptoms can be considered
positive symptoms – depends on approach.
Some patients experience visual hallucinations
(role of other drugs?).
Avolition – also evident in basal ganglia disorders Inappropriate affect (disorganised symptom?)
Catatonia – basal ganglia/dopamine?
Damage to dopamine system/ prefrontal cortex?
No longer inhibiting or selecting. V heterogeneous condition.
Originally thought that paranoid subtype had a
Speech tends to be incoherent.
Odd motor symptoms – could this be hinting at
Echolalia – repeating what is said to them
Echopraxia – repeating what is done to them Hints of problems in childhood – eg. don’t smile
as much as other children -> schizoi