schizophrenia : the interactionist approach ao1 Flashcards
What is the interactionist approach
Acknowledges the biological psychological and social factors in the development of schizophrenia
Explain diathesis stress model
Diathesis - vulnerability
Stress - in this context means a negative psychological expirence
The model states that a vulnerability and a stress trigger are needed to develop the condition
There may be one or more factors of vulnerability but the onset is triggered by stress
Who did og diathesis stress model
Meehls model 1962
Explain meehls 1962 diathesis stress model
Og model
Argues that vulnerability was purely genetic and a result of a schizogene giving schizotypic personality whereby they are particularly vunerable to stress
If a person doesn’t have the gene then no amount of stress will trigger the illness
Modern understanding of diathesis
Now clear that there may be a genetic vulnerability for dev schiz but there isn’t
a single schizogene - its polygenic
vunerability can also be produced by psychological trauma
Trauma becomes the diathesis rather than the stressor
who said schiz is polygenic
ripke 2014
Diathesis means…
Vulnerability
Read 2001 found
Proposed a model in which early trauma alters the development of the brain eg early child abuse. hypothalamic - pituitary adrenal system (HPA)
can become over active making a person much more vulnerable to stress later on