stress Flashcards
stress
psychobiological response produced by internal n external stressors
stressor
any stimulus that produces stress
internal stressor
external stresser
originates within the individual
outside the indiv
external causes of stress
- relationship problems
-injuries
-financial stresses
internal causes of stress ( out of control)
- expectations
-personal goas
-desires
comparison of internal and external:
internal is psychological and biological processes while extrernal is env stimuli
acute stress
stress that lasts for a relatively short time
chronic stress
stress that continues for a prolonged period of time
dopamine:
neurotransmitter, released by triggers, for satisfactions
flight or fightor freeze response
- involuntary bodily response to a sudden threat in readiness for fight, flight, or freeze
fight flight freeze response - nervous system
-sympathetic NS becomes more active than our parasympathetic NV
-increase in activiy of visceral muscles, organs and glands
freeze response - theory
both symp and para are both highly active, but para slightly more
-adaptive response (avoiding detection, conserving energy)
cortisol:
hormone secreted from adrenal glands in response to stressor
role
increase the body’s level of arousal, energises the body whe we confront a stressor
helps:
inrease blood sugar levels, enhance metabolism and reduces immflation however can supress immun system