The Fight-or-flight response

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What is the fight of flight response?
Activity within the body that is triggered when the body prepares itself for defending/attacking(fight)or running away to safety(flight). Involves changes in the nervous system and the secretion of hormones that are necessary to sustain arousal.
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What is the amygdala?
Associates sensory signals with emotions associated with fight-or-flight, like fear or anger.
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What does the sympathetic nervous system do?
Prepares the body for rapid actions. Sends a signal through to the adrenal medulla which responds by releasing the hormone adrenaline into the blood stream
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What does adrenaline do?
Heart beats faster, pushes blood to muscles heart and other organs and BP increases. Triggers release of blood sugar and fats which supplies energy to the body.
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What does the parasympathetic nervous system do?
Dampens down stress response.
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What is the responses to chronic stress?
Hypothalamus makes second stress system, HPA axis to kick in.
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H?
Hypothalamus, releases chemical messenger to notify body
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P?
Pituitary gland, releases ACTH, to send to the adrenal glands
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A?
Adrenal Glands, ACTH stimulates adrenal cortex to release cortisol, which is responsible for several effects in the body which is needed for the fight-or-flight response.
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EVALUATION: Negative consequences of the fight-or-flight response
Can have negative effects
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Other cards in this set

Card 2

Front

What is the amygdala?

Back

Associates sensory signals with emotions associated with fight-or-flight, like fear or anger.

Card 3

Front

What does the sympathetic nervous system do?

Back

Preview of the front of card 3

Card 4

Front

What does adrenaline do?

Back

Preview of the front of card 4

Card 5

Front

What does the parasympathetic nervous system do?

Back

Preview of the front of card 5
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