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8 Cards in this Set
- Front
- Back
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Cortex
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Outer layer!!!! :-D
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Cerebellum
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Old structure.
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Spinal Cord
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Information Superhighway! (Invented by Al Gore)
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Central Nervous System (CNS)
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*Brain and Spinal Cord.
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Peripheral Nervous System (PNS)
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*Bundles of axons between the spinal cord and the rest of the body and has two subdivisions:
-Somatic Nervous System --Sensory --Motor -Autonomic Nervous System --Sympathetic System (fight or flight) --Parasympathetic System |
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Neurons and Communication
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*Neurons are a unique type of cell that receive and transmit information electrochemically.
-Sensory neurons -Motor neurons |
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Dendrites
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Input gap
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Action Potentials
(Nerve Impulses) |
*Action potentials: electrochemical messages carried by neurons.
*Excitatory or inhibitory. *All or none law: allows the message to reach its destination at full strength, regardless of distance, but does slow it down compared to regular electrical conduction. |
