SHOCK: This involves the sympathetic branch SAM. COUNTER-SHOCK: This involves the parasympathetic branch HPA.
The Sympatho-Medullary Pathway (Sympathetic Adrenal Medullary System)
Stress > Sympathetic > Adrenal Medulla which is part of the Adrenal Glands > releases Adrenaline and Noradrenaline. Sympathetic system aroused, parasympathetic suppressed. Fight or flight response (increase in heart rate, less digestion, increased clotters in case of injury to body etc.).
´ Important in the stress response
´ It is an appropriate reaction of the body as it prepares us for fight or flight
´ SAM activity is not just associated with stress though
´ We have more adrenaline and noradrenaline when we are concentrating on a task
´ Perception is also important – sometimes we may see heightened activity in SAM as showing we are stressed, at other times it could just show we are excited or stimulated
Pituitary Adrenal System: Hypothalamic…