Page 158 - Spirit and Mind. Vol 1

Nicolai Levashov. Spirit and mind. Vol.1

Such a reaction to the impact of the ionic signal is normal and inevitable for the
optic zone of the cerebral cortex; otherwise the reality we see upon opening our eyes
would remain forever fixed and turn us all into the "sighted blind."

The neurons of the optic zone are well adapted for their specialized function,
which enables the optical signals, under normal conditions, to leave their imprint
only upon the neurons' etheric level. That is why visual images change with a
frequency of twenty-four frames per second, which is quite enough for rapid
orientation to the environment.

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