Feedback (disambiguation)

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.

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

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

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

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

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

Feedback, a video podcast produced by G4
Feedback (radio series), a BBC Radio Four programme in the UK
Feedback, an alien character in Ben 10: Omniverse
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

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