8/27 WHAT IS STRESS?
- ALLOSTATSIS
O HOMEOSTASIS (BALANCE THROUGH BODY) THROUGH CHANGE IN MULTIPLE SYSTEMS
O THE BRAIN IS ABLE TO ORDER NEEDED CHANGES AND AFFECT MANY DIFF PARTS OF
BOSY
O DIFFERING FROM ANIMAL MODEL, CAN ALSO ANTICIPATE WHAT IS NEEDED TO MEET
CHALLENGES THAT LIE AHEAD
O ALLOSTATIC LOAD: CUMULATIVE EFFECT CHRONIC STRESS CAN HAVE ON PHYSICAL
AND MENTAL HEALTH
- STRESS
O NOUN AND VERB
§ YOU CAN HAVE STRESS AND BE STRESSED
O STRESSOR: SITUATION THAT THROWS YOU OUT OF BALANCE
O STRESS RESPONSE: WHAT BODY DOES TO GET BACK INTO BALANCE (ALLOSTASIS)
O 2 KINDS OF STRESS (FOR ZEBRAS)
§ ACUTE PHYSICAL
· RUNNING FOR ITS LIFE
§ CHRONIC PHYSICAL (OVER TIME)
· LOOKING FOR WATER, FINDING FOOD, REPRODUCTION
§ 3 KIND (HUMANS ONLY)
RD
· PSYCHOLOGICAL AND SOCIAL DISRUPTIONS IN OUR LIVES
- FIGHT OR FLIGHT
O FIGHT IT OFF OR RUN
O AUTOMATIC RESPNSE
O WE HAVE TO RUN
O MUSCLES NEED TO WORK – NOW!
O RAPID MOBILIZATION OF ENERGY
§ GLUCOSE AND PROTEIN FLOW OUT TO MOVE MUSCLES
O HEART RATE, BP, BREATHING ALL INCREASE TO TRANSPORT FUEL AND OXYGEN
O BETTER SHORT TERM MEMORY AND SHARPER SENSES
O ANALGESIA
§ REDUCED EXPERIENCE OF PAIN
§ FEEL LESS PAIN, EX. WHEN TAKE TYLENOL (ANAGESIC)
O “LONGER TERM” PROCESS ARE HALTED – DIGESTION AND REPRODUCTION
§ BLOOD FLOW SENT TO EXTREMITIES, CENTRAL SYSTEM PROCESSES STOPPED
- ALLOSTATSIS
O HOMEOSTASIS (BALANCE THROUGH BODY) THROUGH CHANGE IN MULTIPLE SYSTEMS
O THE BRAIN IS ABLE TO ORDER NEEDED CHANGES AND AFFECT MANY DIFF PARTS OF
BOSY
O DIFFERING FROM ANIMAL MODEL, CAN ALSO ANTICIPATE WHAT IS NEEDED TO MEET
CHALLENGES THAT LIE AHEAD
O ALLOSTATIC LOAD: CUMULATIVE EFFECT CHRONIC STRESS CAN HAVE ON PHYSICAL
AND MENTAL HEALTH
- STRESS
O NOUN AND VERB
§ YOU CAN HAVE STRESS AND BE STRESSED
O STRESSOR: SITUATION THAT THROWS YOU OUT OF BALANCE
O STRESS RESPONSE: WHAT BODY DOES TO GET BACK INTO BALANCE (ALLOSTASIS)
O 2 KINDS OF STRESS (FOR ZEBRAS)
§ ACUTE PHYSICAL
· RUNNING FOR ITS LIFE
§ CHRONIC PHYSICAL (OVER TIME)
· LOOKING FOR WATER, FINDING FOOD, REPRODUCTION
§ 3 KIND (HUMANS ONLY)
RD
· PSYCHOLOGICAL AND SOCIAL DISRUPTIONS IN OUR LIVES
- FIGHT OR FLIGHT
O FIGHT IT OFF OR RUN
O AUTOMATIC RESPNSE
O WE HAVE TO RUN
O MUSCLES NEED TO WORK – NOW!
O RAPID MOBILIZATION OF ENERGY
§ GLUCOSE AND PROTEIN FLOW OUT TO MOVE MUSCLES
O HEART RATE, BP, BREATHING ALL INCREASE TO TRANSPORT FUEL AND OXYGEN
O BETTER SHORT TERM MEMORY AND SHARPER SENSES
O ANALGESIA
§ REDUCED EXPERIENCE OF PAIN
§ FEEL LESS PAIN, EX. WHEN TAKE TYLENOL (ANAGESIC)
O “LONGER TERM” PROCESS ARE HALTED – DIGESTION AND REPRODUCTION
§ BLOOD FLOW SENT TO EXTREMITIES, CENTRAL SYSTEM PROCESSES STOPPED
