1 Neurons and Synapses Types of Neurons SensoryMotor Interneurons.
September 2, 2014 - Neurons
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Transcript of September 2, 2014 - Neurons
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You Have Some Nerve
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The Neuron
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Dendrites
Dendrites
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Dendrites
Dendrites
Cell
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Dendrites
Dendrites
Cell
Axon
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Dendrites
Dendrites
Cell
Axon
Terminal Buttons
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Synapse
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Presynaptic Neuron
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Presynaptic Neuron
Lots of chemical activity
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Post Synaptic Neuron
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The Action Potential
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Th Action Potential
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Th Action Potential
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Th Action Potential
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Th Action Potential
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Th Action Potential
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Th Action Potential
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Th Action Potential
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Th Action Potential
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TerminalButtons
Dendrites
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TerminalButtons
Dendrites
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TerminalButtons
DendritesNeurotransmitter
Receptor
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TerminalButtons
Dendrites
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TerminalButtons
DendritesNeurotransmitter
Receptor
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TerminalButtons
Dendrites
Neurotransmitter
Receptor
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TerminalButtons
Dendrites
Neurotransmitter
Receptor
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TerminalButtons
Dendrites
Neurotransmitter
Receptor
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TerminalButtons
Dendrites
Neurotransmitter
Receptor
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TerminalButtons
DendritesExcitatory: Continue the action potential
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TerminalButtons
Dendrites
Inhibitory: End the action potential
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Both kinds received at once
Excitatory has to pass a certain threshold to create an Action potential
Excitatory or Inhibitory?
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Neurotransmitters
Acetylcholine
Present in the synapses in the nerves at our muscles.
More Acetycholine in the synapse: Binds with receptors at the dendrite to effect an action potential, and thus, create muscle movement
Less acetylcholine in the synapse: no action potentials...no muscle movement
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Neurotransmitters
BOTOX
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BOTOX
Inhibits
Acetylcholine
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Acetylcholine is the neurotransmitter, which, when abundant in our
muscle synapses, control muscle movement
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BOTOX
keeps acetylcholine out of the synapse
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So the muscles that cause
wrinkles are temporarily paralyzed
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