Bioelectromagnetism refers to the electrical, magnetic or electromagnetic fields produced by living cells, tissues or organisms. Examples include the cell membrane potential and the electric currents that flow in nerves and muscles as a result of action potentials.

It is an aspect of all living things, including all plants and animals. Some animals have acute bioelectric sensors and others, such as migratory birds, are believed to navigate in part by orienteering with respect to the Earth’s magnetic field. Also, sharks are more sensitive to local interaction in electromagnetic fields than most humans. Other animals, such as the electric eel, are able to generate large electric fields outside their bodies.

Bioelectromagnetism is associated with biorhythms and chronobiology. Biofeedback is used in physiology and psychology to monitor rhythmic cycles of physical, mental, and emotional characteristics and as a technique for teaching the control of bioelectric functions.

There are multiple categories of Bioelectromagnetism such as brainwaves, myoelectricity, and other related subdivisions of the same general bioelectromagnetic phenomena. One such phenomenon is a brainwave, where bioelectromagnetic fluctuations of voltage between parts of the cerebral cortex are detectable. This is primarily studied in the brain by way of electroencephalograms.


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