positive feedback(redirected from Cummulative Causation)
Also found in: Dictionary, Thesaurus, Medical.
positive feedback[′päz·əd·iv ′fēd‚bak]
Feedback in which a portion of the output of a circuit or device is fed back in phase with the input so as to increase the total amplification. Also known as reaction (British usage); regeneration; regenerative feedback; retroaction (British usage).