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Section 1, Lecture 4 - Survey in Biopsychology Class Notes $7.99
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  3. State University Of New York - Stony Brook
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  5. PSY250

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Section 1, Lecture 4 - Survey in Biopsychology Class Notes
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  • November 11, 2024
  • 1
  • 2024/2025
  • Class notes
  • Xi chen
  • Section 1

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Notes - Survey in Biopsychology

Key Events at the Synapse
(lecture 4)

binding and activation of receptors
neurotransmitters, as a ligand, bind to receptors located on th
creates PSPs
receptor - a protein that contains binding sites specikc to one
each neurotransyitter is specikc mor a t;pe om receptorw h
receptor t;pes e5g5. dopayine has : receptor subt;pesD 1
receptor subt;pes are located in dixerent areas om the br
ad,antages to ha,ing yan; dixerent subt;pes om receptor
ha,e a ,ariet; om exects z Ce^ibilit;
ligand - an; yolecule that binds to another yolecule (receptor
om its receptor


classimcation of receptors
25 ionotropic - ligand-gated ion channels that are direct and
i5 vhen a neurotransyitter binds. the receptor open
Cov om ions intozout om the cell
35 yetabotropic - g-protein linfed (acti,ate second yesseng
indirect
i5 vhen a neurotransyitter binds. a part om the g-pro
a second yessengerw it vill either open ion channe
yessengers


terhinating tye activitu of nekrotranshitters
lastly, after the binding is done, not all neurotransmitters will b
leftover neurotransmitters must be taken care of
reuptafe - reabsorption om a neurotransyitter b; the pres;nap
degradation - neurotransyitters are brofen dovn b; the actio
a5 suntyesis - neurotransyitters are yade mroy en+;yes

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