In essence they act as specific signals between one population of neurons and another.
Non specific signals are indicated by the letter C.
Nuclear weapons will only respond to a specific arming signal.
By this method, selected normal proteins are removed from the cell in response to specific signals.
With a little experimentation, I can block specific signals, no matter how tight a wave band they're broadcast on.
It works via electrodes attached to their brain which read specific signals.
Immediately the points are switched, so that the specific signals for feeling bad are never actually encountered.
Here, somatic cells respond to specific signals that instruct them whether to grow, remain as they are, or die.
This is the only way to move forward from mere good intentions to specific signals.
That will be a strong, specific signal which they are all expecting from us.