chapter 3 definitions Flashcards
stress
Psychological and physiological experience that occurs when an individual encounters something of significance demanding their attention and/or efforts to cope
stressor
stimulus (internal or external) prompting the stress response
internal stressor
stimulus from within the body that prompts the stress response
external stressor
stimulus from outside the body that prompts the stress response
distress
form of stress characterised by negative psychological state
eustress
form of stress characterised by positive psychological state
acute stress
form of stress characterised by psychological and physiological symptoms that are brief in duration
fight-flight-freeze response
involuntary and automatic response to threat that takes form of either escaping it, freezing in the face of it, or confronting it
chronic stress
form of stress that endures for several months or longer
cortisol
hormone that is released in times of stress to aid body in initiating and maintaining heightened arousal
General Adaption Syndrome (GAS)
biological model involving three stages of physiological reactions that a person experiences in response to persistent stressor
alarm reaction
first stage of GAS involving initial decreases and subsequent increase in bodily arousal in response to an immediate stressor
shock
first substage of alarm reaction involving decreased bodily arousal for a brief period of time following initial exposure to stressor
counter shock
second substage of alarm reaction stage in which sympathetic nervous system responses occur that mobilise the body to respond to stressor
resistance
second stage of GAS involving maintaining high levels of bodily arousal in response to persistent stressor
exhuastion
third stage of GAS involving depletion of energy levels and bodily resources, resulting in an inability to cope with stressor