Lecture 8 - Excitatory and inhibitory neurons Inhibitory...

This preview shows page 1 out of 1 page.

Excitatory and inhibitory neurons Inhibitory elicits hyperpolarization in neurons Inhibits post synaptic cell from sending any more messages There is a system in the brain that exists to handle Ligand-anything that binds to a receptor Ligand gated receptor-binds and respondsss to shit Theyre not voltage gated. Theyre ligand gated. Several different types of ligand gated receptor Agonist—drug will look similar to a neurotransmitter and binds to its same site Antagonist-prevents channel form opening up Competitive ones Amino acids occure throughout the entire brain Gaba and glutamate Inotropic and metabotropic Primary inhibitory neurotransmitter 2 types: a and b Glutamate Is the primary excitatory neurotransmitter in the brain Biogenic amines are another type of neurotransmitter, like acetylcholine
Image of page 1

Unformatted text preview: Two different types of AC receptors Nicotinic and muscarinic channel receptors Projections of these are basal forebrain to limbic system and the cortex Youll find neurons relasing acetylcholine to the limbic system and the cortex Next set of biiogeni amines are mono amines Like catecholamines such as dopamine and norepinephrine The difference bwtween dope and Nep’n is one single enzyme The enzymes produce these using stuff from your food Tyrocine 2 receptor typesm alpha and beta The distribution of norepinesphinr is brpad, and sparse in distribution in CNS And has a crucial role in the PNS Dopamine- 5 different receptor types and 3 pathways—nigrostriatal pathway, mesolimbic, and mesocortical Serotonin 14 receptor subtypes’...
View Full Document

  • Fall '12
  • PaulLipton
  • Neurotransmitter, primary inhibitory neurotransmitter, Primary Excitatory neurotransmitter, Inhibitory elicits hyperpolarization

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern