Save
...
Paper 2
Biopsychology (P2)
Fight or Flight
Save
Share
Learn
Content
Leaderboard
Share
Learn
Created by
Ava Baker
Visit profile
Cards (9)
What happens when someone enters a potentially stressful situation
The amygdala is activated
What will the amygdala do when activated
It responds to sensory input and connects sensory input with emotions associated with the fight or flight response
What happens if the situation is deemed dangerous
The amygdala sends a distress signal to the hypothalamus which communicates with the body through the sympathetic nervous system
What does the hypothalamus do in a stressful situation
It activates the SAM pathway which is the pathway running to the adrenal medulla and the sympathetic nervous system
What will the SNS do once the hypothalamus activates the SAM pathway
It stimulates the
adrenal medulla
, part of the
adrenal gland
What will the adrenal medulla do
It secretes the hormones
adrenaline
and
noradrenaline
into the bloodstream
What will adrenaline do
It causes a number of physiological changes to prepare the body for fight or flight
What are the physiological changes
Increased
heart rate
, increased
breathing rate
,
pupil dilation
,
sweat production
,
reduction
of
non-essential
functions
What happens after the fight or flight situation
the
parasympathetic nervous system
is activated to return the body back to its
resting state