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norepinephrine
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norepinephrine


Norepinephrine helps to prepare the body for fight or flight.
  precursor of epinephrine especially secreted in times of stress
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Notes:
Norepinephrine stimulates the autonomic nervous system (preparing the body for exertion), stimulates the senses (preparing for a threat), and increases memory (so threatening situations will be well-remembered).

It is secreted by the adrenal medulla and also released at synapses.
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Samples:
  • Norepinephrine helps to prepare the body for fight or flight.
  • Nicotine appears to do exactly the same thing with the other two key neurotransmitters — dopamine and norepinephrine.
    Malcolm Gladwell  --  The Tipping Point
  • Nicotine also increases norepinephrine, and that’s the reason that when you try to quit smoking and you no longer get so much norepinephrine, you get agitation and irritability.
    Malcolm Gladwell  --  The Tipping Point
  • Nicotine also increases norepinephrine, and that’s the reason that when you try to quit smoking and you no longer get so much norepinephrine, you get agitation and irritability.
    Malcolm Gladwell  --  The Tipping Point

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  • It increases your dopamine, so smokers don’t have the desire to smoke, then it replaces some of the norepinephrine, so they don’t have the agitation, the withdrawal symptoms.
    Malcolm Gladwell  --  The Tipping Point
  • For example, depression is believed to be the result, at least in part, of a problem in the production of certain key brain chemicals, in particular the neurotransmitters known as serotonin, dopamine, and norepinephrine.
    Malcolm Gladwell  --  The Tipping Point
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Associated words [difficulty]:   norepinephrine [8] , hydrocortisone [9] , growth hormone [9] , hydrocortisone [9] , melatonin [9]
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Most commonly used in these subjects:   Medicine, Human Behavior, Science
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