title: Distortion (disambiguation)
text: # Distortion (disambiguation)
  
  Distortion denotes the alteration of the original shape of an object, image, sound, or waveform.
  
  Distortion may also refer to:
  
  ## Science and technology
  
  * Distortion (optics), including "barrel distortion" and "pincushion distortion"
     * Perspective distortion
  * Cognitive distortion, thoughts that are exaggerated and irrational
  * Parataxic distortion, inclination to skew perceptions of others based on fantasy
  * Distortions (economics), a concept in economics
  * Distortion function, used to define distortion risk measures
  * In mathematics, distortion has several meanings, including:
     * Distortion (mathematics), a measure of how much a function distorts angles
     * Stretch factor, also called distortion, a measure of how much a function distorts distances between points
     * Subgroup distortion, a related idea in geometric group theory
  
  ## Music
  
  * Distortion (music), an electro-acoustic effect in music
  * Copenhagen Distortion, also called 'Distortion festival', a party/club culture festival in Copenhagen, Denmark
  * Social Distortion, an American punk rock band
  
  ### Albums
  
  * Distortion (Forbidden album), 1995
  * Distortion (Game Theory EP), 1984
  * Distortion (The Magnetic Fields album), 2008
  * Distortion (the Proletariat EP), 1982
  * Distortion (Joseph Simmons album), 2005
  * Distortions (album), a 1967 album by the Litter
  
  ### Songs
  
  * "Distortion" (Jessica Sutta song), 2016
  * "Distortion" (Babymetal song), 2018
  
  ## Other
  
  * "Distortion", an episode of the anime TV series Serial Experiments Lain
  