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Phrenology highlighted the presumed functions of
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specific brain regions.
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For you to experience the pain of a sprained ankle, ________ must first relay incoming pain messages from your ankle to your spinal cord.
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sensory neurons
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Dendrites are branching extensions of
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neurons.
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In transmitting sensory information to the brain, an electrical signal travels from the ________ of a single neuron.
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dendrites to the cell body to the axon
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A brief electrical charge that travels down the axon of a neuron is called the
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action potential.
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With regard to the process of neural transmission, a refractory period refers to a time interval in which
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positively charged ions are pumped back outside a neural membrane.
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A synapse is a(n)
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junction between a sending neuron and a receiving neuron.
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Endorphins are
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neurotransmitters
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Alzheimer’s disease is most closely linked to the deterioration of neurons that produce
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acetylcholine
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The central nervous system consists of
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the brain and the spinal cord.
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Which division of the autonomic nervous system arouses the body and mobilizes its energy in stressful situations?
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the sympathetic nervous system.
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Neural networks refer to
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interrelated clusters of neurons in the central nervous system.
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The hypothalamus influences the ________ to send messages to the ________.
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pituitary; endocrine glands
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Surgical destruction of brain tissue is called a(n)
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lesion
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To identify which of Lucy's brain areas was most active when she talked, neuroscientists gave her a temporarily radioactive form of glucose and a(n)
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PET scan.
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