The Brain
Biological psychology- a branch of psychology concerned with the links between biology and behavior
Neuron- a nerve cell; the basic building block of the nervous system
Dendrite- the bushy, branching extensions of a neuron that receive messages and conduct impulses toward the cell body
Axon- the extension of a neuron, ending in branching terminal fibers, through which messages pass to other neurons or to muscles or glands
Myelin sheath- a layer of fatty tissue segmentally encasing the fibers of many neurons; enables vastly greater transmission speed of neural impulses as the impulse hops from one node to the next
Action potential- a neural impulse; a brief electrical charge that travels down an axon. The action potential is generated by the movement of positively charged atoms in and out of the channels in the axon's membrane
Threshold- a level of stimulation required to trigger a neural impulse
Synapse- the junction between the axon tip of the sending neuron and the dendrite......
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