Psychology / Psych 0151 · Atom · ~20 seconds
The Resting Potential
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The resting potential is the stable negative charge inside a neuron relative to outside when the neuron is not firing.
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A neuron at rest sits near seventy millivolts more negative inside than out, holding sodium ions outside the membrane.
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Resting is not inactive. Maintaining that charge is one of the most energy-expensive things the neuron does.