positive feedback

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pos·i·tive feed·back

that which occurs when the sign or sense of the returned signal results in increased amplification or leads to instability.

positive feedback

See Feedback.

pos·i·tive feed·back

(pozi-tiv fēdbak)
That found when the sign or sense of the returned signal results in increased amplification or leads to instability.

positive feedback

The characteristic of any system with an output proportional to its input in which a portion of the output is fed back to the input in such a phase as to increase the input. The effect of this is rapidly, and sometimes dangerously, to increase the output. Compare NEGATIVE FEEDBACK.

positive feedback

see FEEDBACK MECHANISM.
References in periodicals archive ?
These self-reinforcing tendencies imbedded in the national capital structure are typical of developing countries and one of their great sources of economic volatility - one that tends to undermine long-term growth".
Therefore, extractive economic arrangements are reinforced by extractive political institutions generating an interaction that creates a self-reinforcing vicious circle where wealth is channeled toward one narrow elite that has too much to lose by expanding political power to other groups.
Using economic theory and real world data and experience, Bitumen Cliff states: "The combined outcome is a self-reinforcing staples trap, whereby the faster Canada exports its latest staple, the less diversified and capable the economy becomes--and hence all the more dependent on finding more staples to export."
Leeson argues here that the exclusion of Irish culpability was a consequence of self-reinforcing anti-British propaganda: with the British recruits viewed as violent thugs, it was only natural to attribute the violence to them, which in turn was used to validate their depiction as violent thugs.
"[U]pbeat people invest in the future in a self-reinforcing dynamic that bodes well for their economies," Stokes concludes.
officials simply to ignore completely the fact that the severe flattening of the Japanese yield curve contributed to a collapse in bank profitability and lending, which helped fuel a self-reinforcing deflationary spiral and two decades of economic misery.
This partly reflects the fact that, while there has clearly been some real world economic impact from the political dithering in both America and Europe at the end of July, so far it is not threatening to become self-reinforcing.
This partly reflects the fact that, while there has clearly been some real world economic impact from the political dithering in both American and Europe at the end of July, so far it is not threatening to become self-reinforcing.
According to the panel, one such event is self-reinforcing feedback loops, whereby small changes, perhaps driven by data delays or news events, loop back on themselves and trigger a bigger change, which again loops back.
To avoid confusion, a more useful term for positive feedback might be self-reinforcing feedback.
"It is a self-reinforcing process that seems to amplify rumor beliefs through repetition.
This collection of papers includes recent research monographs, reviews of current developments, and short communications on the topic of solitons, self-reinforcing solitary waves that maintain their shape while traveling at constant speed.