Neuroscience Part 1 - Agenda Structure of Neurons Function...

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Agenda Structure of Neurons Function of Neurons Neurotransmitters Peripheral Nervous System Central Nervous System Studying the Brain!
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Introduction Agenda for Chapter: Introduction to basic unit of brain: the neuron. Talk about the CNS, especially the brain. How do we study brains, both healthy and damaged? “If our brains were simple enough for us to understand them, we’d be so simple that we couldn’t.” Ian Stewart, The Collapse of Chaos: Discovering Simplicity in a Complex W
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The Neuron Neuron Cells in the nervous system that communicate with one another to perform information-processing tasks
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Types of Neurons Sensory Neurons Neurons that respond to signals from sensory organs and transmit those signals to the brain Motor Neurons Neurons that send signals from the brain to muscles to control movement Interneurons Neurons that are connected to other neurons, not to sense organs or muscles
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Structure of the Neuron Cell body Central mass of neuron, which contains nucleus Dendrites (listener) Branch-like structures that receive messages from the axons of other neurons
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Structure of the Neuron (Cont.) Axon (speaker) Long, tail-like structure that sends information from a neuron Terminal Buttons Structures at the end of the axon that release chemicals into the space between neurons
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Structure of the Neuron (Cont.)
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