Summary Foundations of behavioral neuroscience Book cover image

Summary Foundations of behavioral neuroscience

- Neil R Carlson
ISBN-10 1292021969 ISBN-13 9781292021966
135 Flashcards & Notes
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A snapshot of the summary - Foundations of behavioral neuroscience Author: Neil R Carlson ISBN: 9781292021966

  • 2 Structure and functions of cells of the nervous system

  • What types of neurons are there?
    Motor->controls muscle contraction
    Sensory -> detects changes in environment
    Inter-> located entirely within cns
  • What are the 4 basic structures of a neuron?
    Soma-Cell body
    Dendrite- recipients of messages
    Axons- senders of messages
    Terminal buttons - synapses at the end of the axons
  • What is a microtubule?
    Strand of protein filaments with hollow core to transport substances from place to place within cells.
  • What is a microglia?
    The smallest glia cell they act as a phagocyte. Protects the brain from invading organism
  • How are electrical potentials of axons measured?
    Via electrodes and microelectrodes
  • What does the sodium potassium pump do?
    Pumps 3 sodium ions out and 2 potassium ions in. So maintaining the negative potential.
  • What causes the undershoot of the action potential?
    Potassium channels are still opened, so conductance of potassium is greater than it is in resting state
  • What is saltatory conduction?
    Conduction of action potentials by myelinated axons. Jumps from node of ranvier to the next.
  • What is ionotropic receptor?
    A receptor that contains a binding site for a neurotransmitter and an ion channel that opens when a molecule of the NT attaches to the binding site.
  • What is a G protein?
    A protein coupled to metabotropic receptor, conveys messages to other molecules when a ligand binds and activates the receptor.
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