chattering

kirskuna

kalina (present participle of)
A noise that chatters.
{{quote-journal|date=August 14, 2007|author=Ingfei Chen|title=The Beam of Light That Flips a Switch That Turns on the Brain|work=New York Times|url=http://www.nytimes.com/2007/08/14/science/14brai.html
Output fluctuation before reaching a stable condition.