Look up feedback in Wiktionary, the free dictionary.

Feedback is what occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop.

Contents

• Engineering
• Human behaviour
• Science
• Mathematics
• Comics
• Music
• Other

Feedback may also refer to:

Engineering

• Feedback control loop, a closed-loop controller
• Audio feedback, the "howl" sometimes heard in microphone or guitar amplification systems
• Video feedback, the optical equivalent of audio feedback, caused when a camera films the image it is producing
• Positive feedback, a feedback system that responds to perturbation in the same direction as the perturbation
• Negative feedback, a method of attenuation to restore equilibrium
• Negative-feedback amplifier, an amplifier designed to stabilize a system and improve performance

Human behaviour

• Corrective feedback, by a parent or teacher to guide a child's learning process
• Delayed Auditory Feedback, a method of combating stuttering
• Employee performance appraisal, particularly methods such as 360-degree feedback

Science

• Biofeedback
• Climate change feedback, for positive and negative feedbacks associated with climate change
• Reinforcement learning from human feedback, a machine learning technique that uses human feedback to directly optimize a model

Mathematics

• Feedback arc set, in graph theory, a method of eliminating directed graphs
• Feedback vertex set, in computational complexity theory, the feedback vertex set problem is a graph-theoretical NP-complete problem

Comics

• Feedback (Marvel Comics), a Marvel Comics superhero
• Feedback (Dark Horse Comics), the winner of Who Wants to be a Superhero? and a Dark Horse Comics superhero

Music

• "Feedback" (Janet Jackson song), 2008
• "Feedback" (Kanye West song), 2016
• Feedback, a 1944 album by Les Paul
• Feedback (Spirit album), 1972
• Feedback (EP), a 2004 EP by Rush
• Feedback (Jurassic 5 album), 2006
• "Feedback", a song by Covenant from their 1996 album Sequencer
• Feedback (Derek Webb album), 2010
• Feedback (band), a Bangladeshi rock band

Other

• Feedback (novel), a 2016 horror novel by Seanan McGuire, writing under the pen name Mira Grant
• Feedback (radio series), a BBC Radio Four programme in the UK
• Feedback, a Conductoid and alien transformation in Ben 10: Omniverse
• Feedback, a superhero in the Dark Horse Comics
• Feedback, a design principle in User interface design
• Feedback loop (email)
• Causal loop in the context of time travel or the causal structure of spacetime, that is a sequence of events (actions, information, objects, people)
• Feedback (pork industry), the practice of feeding infected deceased pigs and their manure to breeding pigs
• Feedback (TV series), a 2023 Polish television series

This disambiguation page lists articles associated with the title Feedback.
If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.