tress Flashcards
stress
is the state of psychological and physiological arousal produced by stressor. perceived as the inability to cope
eustress
positive psychological response to stressor
distress
negative psychological response to stressor
role of cortisol
- stress hormone
- energises the body y increasing energy supply
- benefits short term
- prolonged stress response can be harmful to physical and mental health
Gut-brain axis
refers to the connection between the central nervous system and the enteric nervous system
enteric nervous system
- subdivision of autonomic nervous system
- found in the wall of the digestive system
- controls contractions of the digestive tract, regulates gastric acid secretion and blood flow.
- the CNS and the ENS communicate via the vagus nerve and he gut microbiota
vagus nerve
- the main connection between the brain and the gastrointestinal tract
- it is bidirectional
gut microbiota
microbes that digest food providing the body with nutrients
also produce some neurotransmitters which effect nt levels in the brain
Selye’s General adaptation syndrome (GAS)
is the 3 stage physiological response to a stressor which occurs in the same predictable way, whatever the source of stressor
3 stages of GAS
- alarm reaction.
include shock (ability to deal with stressor falls below) and counter shock (sympathetic ns is activates which increase resistance to stress) - resistance - bodies resistance to the stressor rises above normal
- exhaustion - the body cannot sustain its resistance
the transactional model of stress and coping
describes the differences in responses of a stressor from a psychological perspective
- primary appraisal and
secondary appraisal
Primary appraisal
the evaluation of the significance of the event.
the outcome is whether the even is: stressful, irrelevant of benign/positive.
if situation is stressful
additional appraisals involve: harm/loss, threat (future) or challenge (gain growth)
secondary appraisal
th evaluation of coping options and resources to deal with the event.
- internal (strength and determination)
external (money or support from family or friends)
coping strategy
a specific method, either behavioural or psychological, that people use to manage or reduce the stress produced by a stressor