Class Four Flashcards
neg. consequences of prolonged stress
immunosuppression, infertility + hypertension
what is appraisal
how a stressful event interpreted by an individual
three types of stressors
catastrophes
significant life changes
daily hassles
examples of catastrophes
unpredictable, large scale events - 9/11
common in refugee camps etc.
examples of significant life changes
losing a job, death, moving etc.
frequency of these events = high stress, can lead to diseases
examples of daily hassles
bills, traffic jams etc.
might overwhelm some people more than others - can lead to hypertension
how can stress impair physiological functioning
fatigue, decreased concentration, irritability
stress & learned helplessness
stress accompanied by lack of control over stress-inducing events = learned helplessness (exhaustion + lack of belief)
fight or fight response
sympathetic nervous system
releases epinephrine and norepinephrine from adrenal glands
increased HR & RR → dulls pain + fast
cognitive system response to stress
hypothalamus releases corticotropin-releasing hormone (CRH) → stimulates pituitary gland to release adrenocorticotropic hormone (ACTH)
role of ACTH
signals to the adrenal gland to release cortisol
what is cortisol
glucocorticoid → shifts the body from using sugar as energy towards using fat was energy
keeps glucose levels high so the brain can use it
cortisol system is ____ than sympathetic system
slower
when is the cortisol system triggered
long term stress
prolonged cortisol release..
inhibits the activity of WBCs → increases vulnerability to illness
accidence of stressful situations can lead to..
bad habits (smoking, drinking + over eating)
3 clusters of symptoms for PTSD
avoidance
hyperarousal
re-experiencing
aerobic exercise - stress
lowers BP, increased neurotransmitters that boost mood (serotonin, endorphins)
what is biofeedback
used to control involuntary autonomic responses - training
what is personality
individual pattern of thinking, feeling & behaviours
personality according to psychoanalytic theory
shaped by a person’s unconscious thoughts, feelings & memories
derived from the past - interactions with caregivers
who developed psychoanalytic theory
Sigmund Freud
what is libido
life instinct - drives behaviours focused on survival, growth & pleasure
what does the death instinct drive
aggressive behaviours fuelled by an unconscious wish to fie