Week 5 - Health Psychology Flashcards
rMZ big five
.5
rDZ big five
.2
rMZ big five apart
.4
heritability big five
30-50%
no C except in extreme neuroticism
explains more for peer than self rating
contrast effects
small differences are exaggerated
e. g. when parents or friends compare twins
genes for personality
RASA1 for openness
KATNAL2 for conscientiousness
heritability of well-being
30-50%
genetic correlation with depression and neuroticism
heritability over life course
none in neonatals
then increases
decreases in later adulthood
strange situation test
high C
sibling concordance is 62%
heritabiltiy = 20%
divorce and E
same for men and women
when men get divorced it increases
political heritability
yes except for left-right divide
personality disorders prevalence
4.4 to 13.5%
Cluster A
odd and eccentric
e. g. schizotypal
40% heritability
Cluster B
dramatic, overly emotional and unpredictable
e.g. antisocial
56% heritability
Cluster C
anxious and fearful
e. g. obsessive compulsive PD
50-70% heritability
schizophrenia gene advantage
correlated with creative relatives
Gemain identical quadruple
all had schizophrenia
but to very different degrees
depression heritability
30-40%
correlated with circadian rhythm
bipolar heritability
85%
BPD and depression
genetic overlap
familial component
yet distinct
generalised anxiety disorder
uncontrollable worry
highly comorbid with depression
influence of C
familiarity schizophrenia
the subtypes do not run in families
male to female ratio antisocial PD
5 to 1
somatic symptom disorder
pseudo illness
familial resemblance for females
higher familial risk for antisocial PD in men
