LORETA indicates frequency-specific suppressions of current sources within the cerebrums of blindfolded subjects from patterns of blue light flashes applied over the skull

In the experiments the LEDs are activated by a computer-generated complex (frequency-modulated) temporal pattern that, when applied as weak magnetic fields, has elicited sensed presences (psychological sensation that there is someone around) and changes detectables by low-resolution electromagnetic tomography (LORETA).

Diferent brain frequency bands (gamma, beta and alpha) at different reggions where affected. And experimental subjects report reflected sensations similar to those reported when the pattern was presented as a weak magnetic field.

It's noteworthy that one investigation in what the authors of the present experiment has inspired is an experiment in which is applied a 455-550 nm light of 8,000 lx to the ears canals that elicited clear and specific changes in fMRI (functional magnetic resonance imaging) profiles, with greater functional connectivity when the light is applied.

For the authors is important to take in consideration that the scalp is composed by muscles, that are living cells, and that bone has osteocytes (also alive) with myriad of lacunae and canaliculi.

Last modified on 20-Mar-16

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