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6 Cards in this Set
- Front
- Back
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sensation
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the process of receiving stimulus energies from the external environment and transforming those energies into neural energy
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action potential
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the brief wave of electrical charge that sweeps down the axon of a neuron possible transmission to another neuron
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perception
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the process of organizing and interpreting sensory information so that it makes sense
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bottom up processing
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the operation in sensation and perception in which sensory receptors register information about the external environment and send it up to the brain for interpretation (what the ears hear)
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top-down processing
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the operation in sensation and perception, launched by cognitive processing at the brain's higher levels, that allows the organism to sense what is happening and to apply that framework to information from the world (what the brain interprets)
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sensory receptors
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specialized cells that detect stimulus information and transmit it to sensory (afferent) nerves and the brain
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