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What Caffeine does
Works Cited
to your CNS
Volkow, N. D., G-J Wang, J. Logan, D. Alexoff, J.
How Does Caffeine Affect
the Central Nervous
System? (CNS)
S. Fowler, P. K. Thanos, C. Wong, V. Casado, S.
By: Meredith Casimes
How you get “the jitters”
Ferre, and D. Tomasi. "Caffeine Increases
-It has the ability to imitate
Striatal Dopamine D2/D3 Receptor Availability
neurotransmitters, altering the release of
in the Human Brain." Translational Psychiatry.
Nature Publishing Group, Apr. 2015. Web. 10
-The neurons are now being directed by
Apr. 2017.
"Caffeine: The Neurologic Effects / Nutrition /
-Caffeine causes neurons to fire more
Healthy Eating." / Nutrition / Healthy Eating.
N.p., n.d. Web. 10 Apr. 2017.
-The neurons send energy signals
"Dopamine." Wikipedia. Wikimedia Foundation,
throughout the body
05 Apr. 2017. Web. 10 Apr. 2017.
-This increases your brain’s energy
-It activates the noradrenaline neurons
-Noradrenaline neurons mobilize the
brain and body for action
Negative Cognitions of too much
Written by Ann PietrangeloMedically Reviewed
by George Krucik, MD, MBA on October 22,
2014. "17 Effects of Caffeine on the
Body." Healthline. N.p., 22 Oct. 2014. Web. 10
Apr. 2017.
Bond, Owen. "How Caffeine Affects the
Nervous System." LIVESTRONG.COM. Leaf
Group, 17 June 2015. Web. 10 Apr. 2017.
-High concentrates of caffeine can inhibit
Nehlig, A., J. L. Daval, and G. Debry. "Caffeine
specific phosphodiesterases
and the Central Nervous System: Mechanisms
of Action, Biochemical, Metabolic and
-Phosphodiesterases are enzymes that
break up phosphodiesters
Psychostimulant Effects." Brain Research. Brain
Research Reviews. U.S. National Library of
Medicine, n.d. Web. 10 Apr. 2017.
Caffeine’s impact on
Caffeine: An Overview
-Chemically known as 1, 3, 7 trimethylxanthine
-Adenosine is a compound of adenine and ribose
found throughout the body
-Temporarily makes you feel more
-In the brain it is an inhibitory neurotransmitter;
-It is a stimulant of the methylxanthine class
meaning it promotes sleep and surpresses arousal
-The maximum amount you can consume per
Effects of caffeine binding to receptors
day is 400 mg
-It imitates the adenosine and binds to its
-Increases the neural activity in the brain
-Side effects can include headaches caused by
-It blocks adenosine so it cannot affect the central
nervous system
lack of blood flow to brain
-On average it will stay in the body for up to
4 hours
-It can now prevent the adenosine from binding
-It can be found in tea, sodas, coffee, and
energy drinks