impulse signaling

impulse signaling

[′im‚pəls ¦sig·nə·liŋ]
(communications)
Conveying information by means of on-off conditions transmitted down a line or over free space.
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These are the brain's "housekeepers," supporting the physical structure, providing nutrients for nerve cells, manipulating the blood-brain barrier that protects the brain, and even becoming involved in nerve impulse signaling.