positive feedback

(redirected from Self-reinforcing)
Also found in: Dictionary, Thesaurus, Encyclopedia.

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 ?
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.
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.
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.
It was to avoid a self-reinforcing spiral of depressed consumption and investment that government boosted public spending in today's crisis.
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.
Created by heating and weaving polypropylene fibers to stretch and align their molecular chains, Self-reinforcing Polypropylene (SrPP) allows greater deflection of a panel while withstanding the required force and at a weight much lower than steel or aluminum.
Technocrats want self-reinforcing cycles of policy using best evidence and systematically collected data.
Education is "a self-reinforcing system that reproduces social class advantage" and widens gaps rather than narrows them, he says.
In short, they are people trapped in a self-reinforcing behavioral pattern, people who need help.