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

1 (in physiology) an increase in function in response to a stimulus. For example, micturition increases after the flow of urine has started, and the uterus contracts more frequently and with greater strength after it has begun to contract in labor.
2
Usage notes: (informal)
an encouraging, favorable, or otherwise positive response from one person to what another person has communicated.

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 ?
To avoid confusion, a more useful term for positive feedback might be self-reinforcing feedback.
The notion that a select education determines success is limiting and self-reinforcing, and Thiel wants to establish a debt-free alternative.
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.
And this total absence of faith in one another is self-reinforcing.
Plastiki was built from recycled polyethylene terephthalate (PET)--a plastic widely used in bottles--and an experimental fabric called self-reinforcing PET (srPET), woven from recycled PET fibers.
With regard to its structure, it is interesting to note that the InnoEnergy community will be organised and managed as a business, a European company which creates self-reinforcing mechanisms in this area.
It was to avoid a self-reinforcing spiral of depressed consumption and investment that government boosted public spending in today's crisis.
In some instances, barking can become a self-reinforcing behavior--that is, the dog gets a "reward" from barking, even if it's not in the form of a treat from his owner.
She traces how these ideational factors helped to socially construct a self-reinforcing norm of nonuse, or a nuclear weapons taboo.
Systems become self-reinforcing, bureaucracy begets more bureaucracy, and some people validate their worth by creating roadblocks for others trying to achieve the same goals.
While economic historians are inclined to focus on institutional change in the footsteps of Douglass North, or the self-reinforcing path dependence suggested by Paul A.