Genetic explanations of schizophrenia Flashcards
What did Glatt find in 2003? What was special about this study?
A meta-analysis finding that the risk of developing schizophrenia increased by 30% in relation to a defect in the gene coding for the D2 receptor.
What did Gottesman find in 1991?
MZ twins apart 48% concordance, DZ together 17%, MZ apart 58%.
What did Cardno find in 1999?
MZ twins together 50%, DZ together 4.1%.
What did Tienari find in 2000?
Risk of developing schizophrenia 4 times greater in Finnish adopted children if they had a mother who had schizophrenia.
What did Wahlberg find in 2000? What is special about this?
Re-examined the Tienari evidence and found a strong effect size of environmental factors when children adopted into families with poor communication.
A meta-analysis finding that the risk of developing schizophrenia increased by 30% in relation to a defect in the gene coding for the D2 receptor.
Glatt, 2003.
MZ twins apart 48% concordance, DZ together 17%, MZ apart 58%.
Gottesman, 1991.
MZ twins together 50%, DZ together 4.1%.
Cardno, 1999.
Risk of developing schizophrenia 4 times greater in Finnish adopted children if they had a mother who had schizophrenia.
Tienari, 2000.
Re-examined the Tienari evidence and found a strong effect size of environmental factors when children adopted into families with poor communication.
Wahlberg, 2000.