Difference between revisions of "Electrical impulse"
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Several examples of electrical impulses include: | Several examples of electrical impulses include: | ||
| − | * Within the [[heart]], an electrical impulse is used to cause beating, and these can be imitated in a pacemaker. Similarly a defibrillator uses a sudden electrical impulse to jump start the heart | + | * Within the [[heart]], an electrical impulse is used to cause beating, and these can be imitated in a pacemaker. Similarly a [[defibrillator]] uses a sudden electrical impulse to jump start the heart |
* The [[nervous system]] works by a series of electrical impulses to and from the brain that stimulate muscles and other organs | * The [[nervous system]] works by a series of electrical impulses to and from the brain that stimulate muscles and other organs | ||
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* [http://www.sfn.org/index.cfm?pagename=brainBriefings_unlockingLockedInSyndrome Society for Neuroscience | Unlocking Locked in Syndrome] | * [http://www.sfn.org/index.cfm?pagename=brainBriefings_unlockingLockedInSyndrome Society for Neuroscience | Unlocking Locked in Syndrome] | ||
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Latest revision as of 20:53, December 22, 2010
An electrical impulse is a surge of electricity, that is, a large flow of electrons or charged particles occurring seemingly spontaneously after experiencing a stimuli.
Several examples of electrical impulses include:
- Within the heart, an electrical impulse is used to cause beating, and these can be imitated in a pacemaker. Similarly a defibrillator uses a sudden electrical impulse to jump start the heart
- The nervous system works by a series of electrical impulses to and from the brain that stimulate muscles and other organs
