Stress and Illness Flashcards
Define Stress
Demand exceeds capacity
Capcity in this case means
A persons ability to cope
Negative versus positive stress
Physiological response is the same
What distinguished the two is perception
General Adaptve Syndrome
Non specific responses to stressor 3 stages 1. Alarm stage 2. Ressitnace Stage 3. Exhaustion Stage
Alarm Stage
Flight FIght or Freeze
Autonomics control, you want this stage to be short - need to adapt
Resistance Stage
Resources come online in response to continued stress - cortisol - short term is good, long is bad
Exhaustion Stage
Resources breakdown, loss of homeostasis - if you can’t adapt will go into exhaustion
Physiological Stress
Chemical or physical disturbance of cells/tissues
Psychological Stress
Response to an emotional stressor
Reactive
Anticipatory
Reactive Response
A physiological response associated with a given psychological stressor - an exam when dont know answer to a question
Anticipated Response
Stress rxn based on an anticipated disruption of homeostasis - having bad experiences with delta
Hypothalamic Pituitary Adrenocortical Axis (HAP)
Theoretical model of stress physiology
Hypothalamus releases corticotropin releasing hormone –> Stimulate pituitary to release adrenocorticotropic hormone –> stimulates adrenal to release glucocorticoids like corisol
Limbic HAP
In response to anticipatory stress limbic system initiates process by stimulating hypothalamas and sympathetics
Limbic system and stress
Limbic is involved with memory and complex cog processing
Amygdala –> helps form complex emotional responses
Reactions to stress will
vary from person to person