PSY 201 Communication in the brain

PSY 201 Communication in the brain - The Biological Basis...

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Click to edit Master subtitle style The Biological Basis of Behavior Communication in the Nervous System
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Nervous System n Central nervous system ¨ Brain and spinal cord n Peripheral nervous system
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Cells in the nervous system n Glial cells ¨ surround neurons and hold them in place ¨ supply nutrients and oxygen to neurons ¨ insulate one neuron from another ¨ destroy and remove the carcasses of dead neurons n Neurons ¨ process and transmit information
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Cells in the nervous system n Neuron
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Types of neurons
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The neuron Terminal button Postsynaptic neuron Presynaptic neuron
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Parts of the neuron and their function n Dendrite ¨ Receives information from other neurons n Soma ¨ Cell body n Axon ¨ Carries neural impulse down to terminal buttons
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n Myelin sheath ¨ Fatty covering of axon, speeds transmission n Nodes of Ranvier ¨ Gaps in the myelin sheath n Terminal Buttons ¨ Contains vesicles filled with neurotransmitters that get released into the synaptic cleft
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The neuron at rest n
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