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Cards In This Set
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Study the links between our biology and our behavior.
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Biological psychologists
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System's basic building block.
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Neuron, or
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Bushy fibers receive massages and conduct the them toward the cell body
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Dendrite
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Sends out messages to other neurons or to muscles or glands.
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Axon
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Nerve impulses
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Action potentials
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The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
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Synapse
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The level of stimulation required to trigger a neural impulse
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Threshold
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A neuron's reaction of either firing (with a full-strength response) or not firing
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All-or-nothing response
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Neuron-produced chemicals that cross synapses to messages to other neurons or cells
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Neurotransmitters
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Chemicals that depress neural activity, temporarily lessening pain and anxiety
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Opiates
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Natural, opiate like neurotransmitters linked to pain control and to pleasure.
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Endorphins
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The body's speedy, electrochemical communication network, consisting of all the nerve cells
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Nervous system
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The brain and the spinal cord
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Central nervous system (CNS)
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The sensory and motor neurons connecting the central nervous system (CNS) to the rest of the body
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Peripheral nervous system (PNS)
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Bundled axons that form neural "cables" connecting the CNS with muscles, glands and sense organs
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Nerves
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