Threshold

Threshold may refer to:

Film and television

• Threshold (1981 film)
• Threshold (2003 film), an adaptation of the 1958 science fiction film It! The Terror from Beyond Space
• Threshold (TV series), an American science fiction drama series
• "Threshold" (Stargate SG-1), an episode of the TV series
• "Threshold" (Star Trek: Voyager), an episode of the TV series
• Threshold Entertainment, a Hollywood Intellectual Property Management and Production Company

Literature

• Threshold (novel), a science fiction novel by David R. Palmer
• Threshold (Sara Douglass novel), a fantasy novel
• Threshold (1990 novel), a science fiction novel by Chris and Janet Morris
• Threshold (comics), a comic book character
• Threshold (Doctor Who), an organization in Doctor Who comic strips
• Threshold, a science-fiction novel by Caitlín R. Kiernan
• Threshold, a science-fiction novel by Janet Morris and Chris Morris
• Threshold, a Christian novel by Bill Myers
• Threshold, a science-fiction novel by Ben Mezrich

Music

• Threshold (band), a UK progressive metal band
• Threshold (HammerFall album)
• Thresholds, an album by Nocturnus
• Threshold, a festival in Liverpool's NOVAS Contemporary Urban Centre
• Threshold House, a record label created by Coil
• Threshold Records, a record label created by The Moody Blues
• "Threshold", a song by Slayer on the album God Hates Us All
• "Threshold", a song written by performer Beck

Science

Medicine

• Related to senses and perception:
  • Absolute threshold
  • Sensory threshold, a concept in psychology
  • Threshold of pain, a concept in pain science
  • Absolute threshold of hearing
  • Masking threshold
  • Odor detection threshold
  • Related to visual system:
    • Flicker fusion threshold
    • Dark adaptation threshold

• Action potential, a concept in neurophysiology
• Low-threshold spikes
• Renal threshold, the level at which a given substance in the blood is taken up by the kidneys and enters the urine
• Threshold expression
• Threshold potential
• Threshold Limit Value
• Aerobic threshold
• Anaerobic threshold
• Linear no-threshold model
• Seizure threshold
• Threshold model in toxicology
• Threshold (reference value)

Other science-related

• Transparency threshold
• Multi-threshold CMOS
• Threshold knowledge
• Quasi-threshold graph
• Threshold displacement energy
• Error threshold (evolution)
• Extinction threshold
• Thresholding (image processing), a method of image segmentation
• Lasing threshold, a concept in laser science
• Zero crossing threshold detector
• Threshold voltage
• Threshold effect
• Threshold energy
• Threshold detector with hysteresis
• Threshold cryptosystem
• Percolation threshold
• Threshold graph
• Ecological threshold
• Polygyny threshold model

Other meanings

• Threshold (online game), a roleplaying enforced MUD
• Displaced threshold, an aviation term
• Election threshold, a concept in voting systems
• Poverty thresholds (United States Census Bureau)