Lesson 5 - Fight or Flight Response Flashcards

1
Q

Sympathomedullary Pathway

A
  • Sympathetic Nervous system is triggered by the hypothalamus
  • Hypothalamus sends a signal to the adrenal medulla
  • Leads to release of hormone called adrenaline into the bloodstream
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2
Q

Adrenalines Effects

A
  • Increase heart rate
  • Constrict blood vessels
  • Increase rate of blood flow
  • Raise blood pressure
  • Divert blood away from non-working organs
  • Increase supply to skeletal muscles and brain
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3
Q

Adrenaline

A

Prepares body for fight or flight response by increasing blood supply, therefore oxygen to skeletal muscles and brain for physical action and rapid response planning

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4
Q

Parasympathetic Nervous System

A
  • When the threat has passed, the stress response is dampened down
  • Slows down the heartbeat and reduces blood pressure
  • Digestion which is stopped when the SNS is active, restarts
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5
Q

Evolutionary Support AO3

A

Fight or flight makes sense because it would have helped an individual to survive by fighting or fleeing from a threat

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6
Q

Adrenal Glands Malfunction AO3

A
  • Studies support that adrenaline is essential in preparing the body for stress
  • People who have malfunctioning adrenal glands do not have a normal fight or flight response to stress
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7
Q

Freeze (Gray 1968) AO3

A
  • First response to stress is not fight or flight but freeze

- Involves person stopping, looking and listening and being hyper vigilant to danger

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8
Q

Tend and Befriend (Taylor 2000) AO3

A
  • Females tend and befriend in times of stress
  • Referring to protection of offspring and seeking out social groups for mutual defence
  • Women have the hormone oxytocin which means they are more likely to stay and protect their offspring
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9
Q

Tend and Befriend (Von Dawkins 2012) AO3

A
  • Found that even males tend and befriend
  • 2001 September 11th terrorist attack, both mals and females showed tend and befriend as they tried to contact loved ones and help one another
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