Lec4 - The Brain Nervous system: Central = brain + spinal...

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The Brain
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The brain is the most complex object in the universe. Nervous system: Central = brain + spinal cord Peripheral = everything else Whole NS is made of NEURONS = nerve cells. Signals travelling ALONG neurons are electrical impulses = spikes Signals BETWEEN neurons are chemicals = neurotransmitters (dopamine, serotonin, GABA. .)
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Nerves Fig 5.1
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Neuron Fig 5.21
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Killer whales even bigger brain Video clip: Icefishing Comparative Brains
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Phrenology head
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Brain Stem and Thalamus Fig 5.6 vegetative
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Fig 5.7 Bodily movement & balance
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Limbic system Fig 5.8 Motivation: Emotion: Memory
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Left half of brain controls right half of body Right left (In right handed people) Left half of brain controls Languaage
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Cortex Fig 5.9 Video: Penfield.rm
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Video clip: Penfield.
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Lec4 - The Brain Nervous system: Central = brain + spinal...

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