Rather, it uses magnetic pulses, delivered through the skin, to induce electrical changes in a particular brain area.
Information is conveyed along neurons by electrical signals called action potentials that are initiated by electrical changes in receptor cells.
The babies who were fed fatty acids also had improved visual development, as demonstrated by electrical changes in the brain when the infants were shown certain things.
One of the new studies the F.D.A. released Friday showed potentially dangerous heart electrical changes in healthy people taking the drug.
The trials showed not only that the electrical disturbances induced by Posicor did not cause arrhythmia, but that several other, widely used anti-hypertension drugs, which are known not to cause arrhythmia, also induce the electrical changes in question.
The E-meter was introduced by Hubbard in the 1950s and is used to measure electrical changes in the skin while subjects discuss intimate moments from their past – a simplified lie-detector, as I understood it.
The ability to detect electric fields was first discovered in sharks and rays, whose electrosensory organs consist of small tubular cavities filled with a conductive jelly that stays in equilibrium with the water; electrical changes in the jelly trigger impulses in the attached sensory nerve endings.
Sure enough, some of the chemicals sparked a "smell response" in the neurons, as reflected by electrical changes in the cells, the researchers report online today in Nature.
Aimed for now at autistic children, it's a wristband that tracks and measures "emotional arousal" and stress based on electrical changes in the skin.
The new study is an important advance, Chandy says, because it suggests something very different: that electrical changes in the cerebellum are to blame.
