PS280 Lecture Notes - Lecture 8: Substance Abuse, Eugen Bleuler, Schizophrenia
Introduction to Schizophrenia
● First person accounts are different, not all cases the same
● Living with schizophrenia - read various first person accounts of their experiences
● John Nash - nobel prize winner - movie A Beautiful Mind
History of Schizophrenia
● Kraepelin
○ Dementia Praecox (loss of mind early onset)
● Bleuler
○ Didn’t believe it needed to be early onset or that it always led to loss of mind
○ Came up with ‘schizophrenia’ (splitting of the mind)
○ People often have delusions - dissociation between thoughts and how they feel
about themselves
Schizophrenia
● Prevalence is less than 1% - about 300 000 Canadians currently diagnosed
○ Cultural differences - less people in eastern cultures are diagnosed
● Age of onset: late teens to mid 30s
○ Gender difference in onset - men early 20s, women later 20s
● Comorbidity
○ Highly comorbid with substance abuse - to try to slow/control thoughts
○ About ⅓ of those diagnosed with schizophrenia
○ Personality disorders
○ Mood and anxiety disorders - depression most common among mood, and social
anxiety most common among anxiety
● Schizophrenia has a very high rate of mortality - life expectancy is 20 years less than
normal
○ Suicide is common
○ Substance abuse - overdose
● Cost to govt and system is higher than other disorders mainly due to hospitalization
rates
Nature of Schizophrenia
● Active phase symptoms
○ Positive symptoms
■ Addition of behaviour that is not in normal pop
○ Disorganized symptoms
■ Absence of something that should be evident in normal pop
○ Negative symptoms
Positive Symptoms
● Delusions
○ False beliefs - misrepresentation of reality, think something is there despite
evidence to the contrary
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Document Summary
First person accounts are different, not all cases the same. Living with schizophrenia - read various first person accounts of their experiences. John nash - nobel prize winner - movie a beautiful mind. Dementia praecox (loss of mind early onset) Didn"t believe it needed to be early onset or that it always led to loss of mind. Came up with schizophrenia" (splitting of the mind) People often have delusions - dissociation between thoughts and how they feel about themselves. Prevalence is less than 1% - about 300 000 canadians currently diagnosed. Cultural differences - less people in eastern cultures are diagnosed. Age of onset: late teens to mid 30s. Gender difference in onset - men early 20s, women later 20s. Highly comorbid with substance abuse - to try to slow/control thoughts. About of those diagnosed with schizophrenia. Mood and anxiety disorders - depression most common among mood, and social anxiety most common among anxiety.
