106L02_slides

106L02_slides - Introduction to Neuroscience Lecture 2...

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1 Introduction to Neuroscience Lecture 2: Neurons & Glia; The Neuron Doctrine. Fal 06 CBNS 106 2 Introduction Neurophilosophy Brain is the origin of mental abilities Fal 06 CBNS 106 3 Introduction Brain cells Glia Neurons • Process information • Sense environmental changes • Communicate changes to other neurons • Command body response Fal 06 CBNS 106 4 Introduction The human brain statistics: Neurons 100 billions Glia 10 times more
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2 Fal 06 CBNS 106 5 The Neuron Doctrine Histology Study of tissue structure The Nissl Stain Facilitates the study of cytoarchitecture in the CNS Fal 06 CBNS 106 6 The Neuron Doctrine Golgi-stain shows two parts of neurons: Soma = cell body Neurites: Fal 06 CBNS 106 7 The Neuron Doctrine Cajal’s Contribution Neural circuitry Neurons communicate by contact, not continuity Neuron doctrine Neurons adhere to cell theory Fal 06 CBNS 106 8 The Prototypical Neuron
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3 Fal 06 CBNS 106 9 The Prototypical Neuron The Basic Structure of the Neuron Neuron A Neuron B Fal 06 CBNS 106 10 The Prototypical Neuron Neurons have 4 functional ZONES: (1) Input, (2) Integration, (3) Conduction, (4) Output Axon Hillock: Zone of Integration Soma + Dendrites: Zone of Input Axon: Zone of Conduction Terminal Bouton: Zone of
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106L02_slides - Introduction to Neuroscience Lecture 2...

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