StudentsFall08_Psy1.1_Notes_Neural Mechanisms

StudentsFall08_Psy1.1_Notes_Neural Mechanisms -...

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Psychology 1.1 Psychology 1.1 The Neural Control of Behavior The Neural Control of Behavior Joanna Serafin jserafin@gc.cuny.edu Fall 2008 “The nervous system is divisible into functionally discrete components, and the components operate in a hierarchical manner to control behavior” -Peter Gray Outline 0. Neurons: cells that create the mind 1. Functional organization of the nervous system 2. Asymmetry of higher functions in the cerebral cortex 3. Effects of experience on the brain 4. Hormone and drug interactions with the nervous system Central Nervous System and Peripheral Nervous System Figure 5.1 Human nervous system Neuron Nerve Cell body Axons Dendrites Axon terminal Myelin sheath http://www.youtube.com/watch?v=i-NgGKSNiNw
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Figure 5.3 A motor neuron
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Afferent (sensory) neurons Efferent (motor) neurons Interneurons How do neurons communicate Synapse Synaptic cleft Neural impulse Neurotransmitter Fast and slow synapses
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Figure 5.4 The resting potential Figure 5.5 Electrical change during an action potential
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Figure 5.7
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StudentsFall08_Psy1.1_Notes_Neural Mechanisms -...

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