Week 9 - Stress Flashcards
What are the sympathetic nervous system’s response to stress during fight or flight? (4)
Increased:
- HR
- BP
- cardiac output
- blood perfusion
What are the anterior and posterior pituitary glands’ response to stress during fight or flight? (4)
- Increased sodium and water retention
- Increased protein synthesis
- Increased BP
- Immunosuppression
What is the order for stress to occur? (3)
- perceived threat
- Physiological response
- coping
What are perceived threats? (2)
- Physiological stressors
- psychological stressors
What is acute stress?
- Short period of time is the most common
What is chronic stress?
perpetual demands or threats
What is coping?
the actions taken to reduce the uncomfortable physiological/psychological stress response
What occurs in chronic stress?
- causes an increase in cortisol which can cause brain damage
What does chronic stress in early life cause?
- Can predispose children to mental health problems in later life
How does chronic stress affect the brain?
can hardwire pathways between the hippocampus and the amygdala, creating a brain predisposed to fight or flight
How does chronic stress affect stem cells?
- causes stem cells to turn into cells that inhibit connections to the prefrontal cortex
Coping strategies and stress arrow
