Lecture 8 Influences Flashcards
in genetic studies of depression, what do family studies reveal?
high rate in relatives of probands
in genetic studies of depression- what do twin studies reveal?
Concordance rates higher in identical twins than in fraternal twins
what do adoption studies of depression reveal?
mixed data
what does the neurochemistry of depression reveal?
low levels of noradrenaline, dopamine, serotonin
which brain structures can we see differences between people with current and history of depression and people with none ??
amygdala, hippocampus, prefrontal cortex, anterior cingulate
what does the neuroendocrine system involve??
hormones
overactivity in which axis is related to depression??
hypothalamic- pituatry- adrenocortical axis (HPA axis)
what is the HPA axis involved in?
regulating response to stress and in depression’s case excess cortisol (stress hormone)
what may be causing overactivity in HPA axis??
damage to hippocampus or maybe lower density of serotonin receptors
what does the learned helplessness theory (seligman) propose??
lack of control over life events
attribution theory
- need to revise
hopelessness theory
- need to revise
schema theory
- need to revise
response style theory
- need to revise
interpersonal approaches
- need to revise
