Schizophrenia - Explanations and Studies Flashcards
Who tested the genetic explanation for schizophrenia? What concordance rate between MZ and DZ twins did he find?
Gottesman found a 48% concordance rate between MZ twins, and a 17% concordance rate between DZ twins.
What is the Genetic Explanation of Schizophrenia?
The idea that genetics play are a leading factor in schizophrenia.
What is a weakness of the genetic explanation of crime?
One weakness is that diagnoses by doctors of someone with a family member already diagnosed with the disorder could be bias based on this knowledge. This suggests there could be an issue with demand characteristics.
What is the original dopamine hypothesis about schizophrenia?
Originally, because schizophrenia is responsible for neurons firing, people thought excessive dopamine in the brain was responsible for the positive symptoms of schizophrenia.
This is substantiated somewhat by the fact that people without any history of any psychological disorder display symptoms of paranoid schizophrenia after taking large doses of amphetamines.
