BIOLOGICAL LECTURE - 2

STRESS GOING BEYOND A NEUROENDOCRINE RESPONSE 

Stress: Nonspecific response of the body to any demand made on it - Hans Selye 1979

Stressor: Stimulus or situation producing stress response 

Stress repsonse: Physiological response to an aversive ir threatening situation 

Fight or Flight: Physiological reaction preparing us for fight or flight 

Nervous system 

CNS

PNS: Somatic and autonomic 

Somatic - External 

Autonomic - Internal, sympathetic nerves: fight or flight and parasympathetic: rest/digest

Endocrine system 

Endocrine glands > Hormones > Extracellular fluid > Bloodstream > Target Organ 

Fight or Flight - Neuroendocrine stress response 

Catablic action - Action which releases energyfor F or F

Quick sction - Nervous system and sympathetic NS activated…