y22 - The Nervous System and the BrainThe Big Picture...

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1 The Nervous System and the Brain- The Big Picture Neuron The Peripheral Nervous System The Central Nervous System and the Brain The Endocrine System Putting it all together - the example of hunger
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2 The Neuron
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3 How Impulses Travel Down the Neuron
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4 The Synapse
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5 Neurotransmitters Dopamine - involved in movement, attention, emotion. Deficiencies of it in Parkinson’s Disease. Excesses of it in Schizophrenia. Serotonin - involved in mood, hunger, sleep, arousal. Deficiencies associated with Depression. Norepinephrine - involved in alertness and arousal. Deficiencies associated with Depression. Acetylcholine - involved in muscle movement, learning and memory. Damage to neurons that produces it, part of Alzheimer’s Disease. Endorphins - involved in pain regulation. Heroine and morphine mimic this neurotransmitter.
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6 How Drugs Affect Neurotransmitters
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7 Divisions of the Nervous System
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8 The Peripheral Nervous System Somatic Nervous System - Controls voluntary muscles movement
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y22 - The Nervous System and the BrainThe Big Picture...

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