Intro To Psychology
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The scientific study of the link between biological (genetic, neural, hormonal) and psychological processes.
A nerve cell; the basic building block of the nervous system.
The neuron's bushy, branching extensions that recieve messages and conduct impulses toward the cell body.
The neuron's extension that passes messages through its branching terminal fibers that form junctions with other neurons, muscles, or glands.
A neural impulse; a brief electrical charge that travels down the axon.
The level of stimulation required to trigger a neural impulse.
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron. The tiny gap at this junction is called the Synaptic Cleft.
Chemical messengers that cross the synaptic clefts between neurons. When released by the sending neuron, neuron transmitters travel across the synapse and bind to receptor sites on the receiving neuron, thereby influencing whether that neuron will generate a neural impulse.
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