2. communiation CNS 2010

2. communiation CNS 2010 - General flow of information CNS...

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2. Principles of comunication - CNS 1 - external environment and where you are in it Sensors Sensors -internal environment Effectors Effectors Sensors General flow of information –CNS
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2. Principles of comunication - CNS 2 From B&L pg 83
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2. Principles of comunication - CNS 3
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2. Principles of comunication - CNS 4 General concepts the CNS is built on: 1. Changes in conductance and current flow 2. Fundamental unit is the Action Potential 3. All neurons are not created equal. 4. Graded potentials 5. Spontaneous depolarizers. 6. Directionality. 7. Synapse
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2. Principles of comunication - CNS 5 Built from 2 cell types: A) neurons B. glial cells B) Glial Cells: non-neuronal cells of the CNS -oligodendrocytes (Schwann cells of the CNS), astrocytes, microglial cells, satellite cells 1. Support structure for the brain 2. Oligodendrocytes 3. Control neural environment 4. Phagocytic 5. Critical role in the blood brain barrier
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2. Principles of comunication - CNS 6 Frontal Lobe Temporal Lobe Parietal Lobe Occipital Lobe Primary motor cortex Primary somatic sensory cortex 17 18 19 Primary auditory area Primary visual area Visual association area Optic nerve Eye LGN of thalamus Superior Colliculus Primary visual area
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2. Principles of comunication - CNS 7 Functional organization within the system - retina Retina Lens Optic nerve
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2. Principles of comunication - CNS 8 R - photoreceptor B - bipolar cell H - horizontal cell I - interplexiform cell A - amacrine cell G - ganglion cell
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2. Principles of comunication -
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2. communiation CNS 2010 - General flow of information CNS...

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