The movement or orientation of organisms in response to an electrical current or field; the tendency of living things to move toward or away from electrical stimuli.
From galvano- (galvanism) + taxis (from Greek taxis, arrangement). Discovered by biologists in the 1800s observing how microorganisms and cells respond to electrical fields.
Galvanotaxis reveals that living cells have an invisible sense of electricity—they can feel electrical fields the way you feel warmth from a fire, which hints that electrical signals are fundamental to how life communicates with itself.
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