Film and television

• Threshold (1981 film)
  Threshold (1981 film)
  Threshold is a 1981 drama/science fiction film directed by Richard Pearce. It starred Donald Sutherland and Jeff Goldblum. The film was nominated for eight Genie Awards in 1983 and won three of them. Sutherland also won best actor at the 1982 Karlovy Vary International Film Festival for his...
  
  
• Threshold (2003 film)
  Threshold (2003 film)
  Threshold is a 2003 Sci Fi Pictures original film adaptation of the 1958 black and white science fiction film It! The Terror from Beyond Space . The film stars Nicholas Lea , Jamie Luner , and Steve Bacic...
  
  , an adaptation of the 1958 science fiction film It! The Terror from Beyond Space
• Threshold (TV series)
  Threshold (TV series)
  Threshold was a science fiction drama television series that first aired on CBS in September 2005. Produced by Brannon Braga, David S. Goyer and David Heyman, the series focuses on a secret government project investigating the first contact with an extraterrestrial species.The series was first...
  
  , 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
  Threshold Entertainment
  Threshold Entertainment is a Hollywood intellectual property management and production company.The company develops, manages, produces, and publishes intellectual properties in all media including feature films, television shows, live stage tours, animation, video games and websites...
  
  , a Hollywood Intellectual Property Management and Production Company

Literature

• Threshold (novel)
  Threshold (novel)
  For the 1997 novel, see Threshold . For the 1990 novel by Chris and Janet Morris, see Threshold For other works with this title, see Threshold ....
  
  , a science fiction novel by David R. Palmer
• Threshold (Sara Douglass novel)
  Threshold (Sara Douglass novel)
  -Plot:Set in the Egypt-like kingdom of Ashdod and primarily narrated by the glass-working slave Tirzah, the novel takes place during the final stages of the construction of the titular Threshold, an enormous glass-clad pyramid...
  
  , a fantasy novel
• Threshold (1990 novel)
  Threshold (1990 novel)
  Threshold is a 1990 novel by Chris Morris and Janet Morris. It's the first book of its namesake trilogy.In a futuristic world, Earth is now a preserve. A captain is transported 500 years into the future and onto Threshold, which is a space habitat. Here he meets with the daughter of a Muslim...
  
  , a science fiction novel by Chris and Janet Morris
• Threshold (comics)
  Threshold (comics)
  Threshold, Matthew Callahan, is a fictional supervillain from the Gen¹³ and DV8 comic books, published by Wildstorm.-Fictional character biography:Matthew Callahan is the son of Stephen Callahan, a former member of Team 7...
  
  , a comic book character
• Threshold (Doctor Who)
  Threshold (Doctor Who)
  The Threshold are a fictional organisation who appeared in the Doctor Who Magazine comic strip based on the long-running British science fiction television series Doctor Who...
  
  , an organization in Doctor Who comic strips
• Threshold, a science-fiction novel by Caitlín R. Kiernan
  Caitlin R. Kiernan
  Caitlín Rebekah Kiernan is the author of many science fiction and dark fantasy works, including seven novels, many comic books, more than one hundred published short stories, novellas, and vignettes, and numerous scientific papers.- Overview :Born in Dublin, Ireland, she moved to the United States...
  
  
• Threshold, a science-fiction novel by Janet Morris
  Janet Morris
  Janet Ellen Morris is an American author of fiction and nonfiction, best known for her fantasy and science fiction and her authorship of a nonlethal weapons concept for the U.S. military.-Writing:...
  
   and Chris Morris
• Threshold, a Christian novel by Bill Myers
  Bill Myers
  Bill Myers is an American Christian author, film director and film producer. He was born in Seattle, Washington September 9, 1953.Myers is most notable for the largely successful animated series The Adventures of McGee and Me...
  
  
• Threshold, a science-fiction novel by Ben Mezrich
  Ben Mezrich
  Ben Mezrich is an American author from Princeton, New Jersey. He graduated magna-cum-laude with a degree in Social Studies from Harvard University in 1991. Some of his books have been written under the pseudonym Holden Scott. Mezrich attended Princeton Day School, in Princeton, New Jersey...
  
  

Music

• Threshold (band)
  Threshold (band)
  Threshold is a progressive metal band, formed in Surrey, UK in the late 1980s.-History:Threshold began their career in 1988, initially playing covers of metal groups like Ratt and Testament. As they continued playing together, they began to write their own songs, and eventually stopped playing...
  
  , a UK progressive metal band
• Threshold (HammerFall album)
• Thresholds
  Thresholds
  Thresholds is the second full-length studio album from Florida death metal band Nocturnus. It was released in 1992 by Earache Records and follows the band's debut album The Key....
  
  , an album by Nocturnus
• Threshold, a festival in Liverpool's NOVAS Contemporary Urban Centre
• Threshold House
  Threshold House
  Threshold House is one of several record labels created by Coil to release their own work and that of affiliated projects. Associated labels include Eskaton and Chalice. It is also the name for the ....
  
  , a record label created by Coil
• Threshold Records
  Threshold Records
  Threshold Records was a record label created by The Moody Blues, after their 1969 album On the Threshold of a Dream.It was a UK subsidiary of Decca Records and a U.S. subsidiary of London Records...
  
  , a record label created by The Moody Blues
• "Threshold", a song by Slayer on the album God Hates Us All
  God Hates Us All
  God Hates Us All is the ninth studio album by American thrash metal band Slayer. Released on September 11, 2001, the album received positive critical reviews, although it entered the Billboard 200 at number 28. It was recorded in three months at The Warehouse Studio in Canada, and includes the...
  
  
• "Threshold", a song written by performer Beck
  Beck
  Beck Hansen is an American musician, singer-songwriter and multi-instrumentalist, known by the stage name Beck...
  
  

Medicine

• Related to sense
  Sense
  Senses are physiological capacities of organisms that provide inputs for perception. The senses and their operation, classification, and theory are overlapping topics studied by a variety of fields, most notably neuroscience, cognitive psychology , and philosophy of perception...
  
  s and perception
  Perception
  Perception is the process of attaining awareness or understanding of the environment by organizing and interpreting sensory information. All perception involves signals in the nervous system, which in turn result from physical stimulation of the sense organs...
  
  :
  • Absolute threshold
    Absolute threshold
    In neuroscience and psychophysics, an absolute threshold is the smallest detectable level of a stimulus. However, at this low level, subjects will sometimes detect the stimulus and at other times not. Therefore, an alternative definition of absolute threshold is the lowest intensity at which a...
    
    
  • Sensory threshold
    Sensory threshold
    Sensory threshold is a theoretical concept used in psychophysics. A stimulus that is less intense than the sensory threshold will not elicit any sensation...
    
    , a concept in psychology
  • Threshold of pain
    Threshold of pain
    The threshold of pain is the point at which pain begins to be felt. It is an entirely subjective phenomenon. The intensity at which a stimulus begins to evoke pain is the threshold intensity. So, if a hotplate on a person's skin begins to hurt at 42°C , then that is the pain threshold temperature...
    
    , a concept in pain science
  • Absolute threshold of hearing
    Absolute threshold of hearing
    The absolute threshold of hearing is the minimum sound level of a pure tone that an average ear with normal hearing can hear with no other sound present. The absolute threshold relates to the sound that can just be heard by the organism...
    
    
  • Masking threshold
    Masking threshold
    The masking threshold is the sound pressure level of a sound needed to make the sound perceptible in the presence of another noice, called a "masker". This threshold depends upon the frequency, the kind of masker, and the kind of sound being masked...
    
    
  • Odor detection threshold
    Odor detection threshold
    The odor detection threshold is the lowest concentration of a certain odor compound that is perceivable by the human sense of smell. The thresholds of a chemical compound is determined in part by its shape, polarity, partial charges and molecular mass...
    
    
  • Related to visual system
    Visual system
    The visual system is the part of the central nervous system which enables organisms to process visual detail, as well as enabling several non-image forming photoresponse functions. It interprets information from visible light to build a representation of the surrounding world...
    
    :
    • Flicker fusion threshold
      Flicker fusion threshold
      The flicker fusion threshold is a concept in the psychophysics of vision. It is defined as the frequency at which an intermittent light stimulus appears to be completely steady to the observer...
      
      
    • Dark adaptation threshold
      Dark adaptation threshold
      Dark Adaptation Threshold is a vision test that measures the adjustment of the eye occurring under low levels of illumination. When light enters the eye, it ultimately reaches the rods and cones, which are two types of cells in the retina. Rods handle vision in low light conditions and cones...
      
      

• Action potential
  Action potential
  In physiology, an action potential is a short-lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called excitable cells, which include neurons, muscle cells, and...
  
  , a concept in neurophysiology
• Low-threshold spikes
• Renal threshold
  Renal threshold
  In physiology, the renal threshold is the concentration of a substance dissolved in the blood above which the kidneys begin to remove it into the urine. When the renal threshold of a substance is exceeded, reabsorption of the substance by the proximal renal tubuli is incomplete; consequently, part...
  
  , the level at which a given substance in the blood is taken up by the kidneys and enters the urine
• Threshold expression
  Threshold expression
  Threshold expression is a phenomenon in which phenotypic expression of a mitochondrial disease within an organ system occurs when the severity of the mutation, relative number of mutant mtDNA, and reliance of the organ system on oxidative phosphorylation combine in such a way that ATP production of...
  
  
• Threshold potential
  Threshold potential
  The threshold potential is the membrane potential to which a membrane must be depolarized to initiate an action potential.It often can be between −40 and -55 mV, but it can vary based upon several factors...
  
  
• Threshold Limit Value
  Threshold Limit Value
  The threshold limit value of a chemical substance is a level to which it is believed a worker can be exposed day after day for a working lifetime without adverse health effects. Strictly speaking, TLV is a reserved term of the American Conference of Governmental Industrial Hygienists...
  
  
• Aerobic threshold
  Aerobic threshold
  The aerobic threshold is a term sometimes used by sports coaches and trainers to describe a level of exercise somewhat below the anaerobic threshold...
  
  
• Anaerobic threshold
• Linear no-threshold model
  Linear no-threshold model
  The linear no-threshold model is a method for predicting the long term, biological damage caused by ionizing radiation and is based on the assumption that the risk is directly proportional to the dose at all dose levels....
  
  
• Seizure threshold
  Seizure threshold
  A seizure threshold is the balance between excitatory and inhibitory forces in the brain which affects how susceptible one is to seizures. Those diagnosed with epilepsy or certain other neurological conditions are vulnerable to sudden new seizures if the threshold is upset, and so must be...
  
  
• Threshold model
  Threshold model
  In mathematical or statistical modelling a threshold model is any model where a threshold value, or set of threshold values, is used to distinguish ranges of values where the behaviour predicted by the model differs in some important way...
  
   in toxicology
• Threshold (reference value)

Other science-related

• Transparency threshold
• Multi-threshold CMOS
  Multi-threshold CMOS
  Multi-threshold CMOS utilized transistors with multiple threshold voltages to optimize delay or power. Lower voltage devices are used on critical delay paths to minimize clock periods. Higher voltage devices are used on non-critical paths to reduce static leakage power without incurring a delay...
  
  
• Threshold knowledge
  Threshold knowledge
  Threshold knowledge is a term in the study of higher education used to describe "core concepts that once understood, transform perception of a given subject" or one can describe individual threshold concepts. The theory was introduced by Jan Meyer and Ray Land, who have published frequently on it...
  
  
• Quasi-threshold graph
  Quasi-threshold graph
  In graph theory, a trivially perfect graph is a graph with the property that in each of its induced subgraphs the size of the maximum independent set equals the number of maximal cliques...
  
  
• Threshold displacement energy
  Threshold displacement energy
  The threshold displacement energy T_d is the minimum kinetic energythat an atom in a solid needs to be permanentlydisplaced from its lattice site to adefect position.It is also known as "displacement threshold energy" or just "displacement energy"....
  
  
• Error threshold (evolution)
  Error threshold (evolution)
  The error threshold is a concept in the study of evolutionary biology and population genetics concerned with the origins of life, in particular of very early life, before the advent of DNA. The first self-replicating molecules were probably small ribozyme-like RNA molecules...
  
  
• Extinction threshold
  Extinction threshold
  Extinction threshold is a term used in conservation biology to explain the point at which a species, population or metapopulation, experiences an abrupt change in density or number because of an important parameter, such as habitat loss...
  
  
• Thresholding (image processing)
  Thresholding (image processing)
  Thresholding is the simplest method of image segmentation. From a grayscale image, thresholding can be used to create binary images Thresholding is the simplest method of image segmentation. From a grayscale image, thresholding can be used to create binary images Thresholding is the simplest method...
  
  , a method of image segmentation
• Lasing threshold
  Lasing threshold
  The lasing threshold is the lowest excitation level at which a laser's output is dominated by stimulated emission rather than by spontaneous emission. Below the threshold, the laser's output power rises slowly with increasing excitation. Above threshold, the slope of power vs. excitation is orders...
  
  , a concept in laser science
• Zero crossing threshold detector
  Zero crossing threshold detector
  200px|thumb|right|Circuit DiagramA zero crossing detector is used for detecting the zero crossings of AC signals. A typical AC signal is the sine wave which goes up and down the zero level. Many electronic systems need to know 'when' the signal crossed the zero level...
  
  
• Threshold voltage
  Threshold voltage
  The threshold voltage of a MOSFET is usually defined as the gate voltage where an inversion layer forms at the interface between the insulating layer and the substrate of the transistor. The purpose of the inversion layer's forming is to allow the flow of electrons through the gate-source junction...
  
  
• Threshold effect
  Threshold effect
  Threshold effect may refer to:*Renormalization_group#Threshold_effect, a particle physics calculation* A trait in genetics...
  
  
• Threshold energy
  Threshold energy
  In particle physics, the threshold energy for production of a particle is the minimum kinetic energy a pair of traveling particles must have when they collide. The threshold energy is always greater than or equal to the rest energy of the desired particle...
  
  
• Threshold detector with hysteresis
• Threshold cryptosystem
  Threshold cryptosystem
  In cryptography, a cryptosystem is called a 'threshold cryptosystem', if in order to decrypt an encrypted message a number of parties exceeding a threshold is required to cooperate in the decryption protocol. The message is encrypted using a public key and the corresponding private key is shared...
  
  
• Percolation threshold
  Percolation threshold
  Percolation threshold is a mathematical term related to percolation theory, which is the formation of long-range connectivity in random systems. Below the threshold a giant connected component does not exist while above it, there exists a giant component of the order of system size...
  
  
• Threshold graph
  Threshold graph
  In graph theory, a threshold graph is a graph that can be constructed from a one-vertex graph by repeated applications of the following two operations:#Addition of a single isolated vertex to the graph....
  
  
• Ecological threshold
  Ecological threshold
  Ecological threshold can be described as the point at which a relatively small change in external conditions causes a rapid change in an ecosystem. When an ecological threshold has been passed, the ecosystem may no longer be able to return to its state...
  
  
• Polygyny threshold model
  Polygyny threshold model
  The polygyny threshold model is an explanation of polygyny, the mating of one male of a species with multiple females. The model shows how females may gain a higher level of biological fitness by mating with a male who already has a mate...
  
  

Other meanings

• Threshold (online game)
  Threshold (online game)
  Threshold is a roleplaying enforced MUD that has been in operation since June 1996. Its focus is on providing a place for roleplaying in addition to traditional MMO/MUD style gameplay. It has as many as 70-100 players online at any given time. Owned and operated by Frogdice, Inc...
  
  , a roleplaying enforced MUD
• Displaced threshold
  Displaced threshold
  A displaced threshold is a runway threshold located at a point other than the physical beginning or end of the runway. The portion of the runway so displaced may be used for takeoff but not for landing...
  
  , an aviation term
• Election threshold
  Election threshold
  In party-list proportional representation systems, an election threshold is a clause that stipulates that a party must receive a minimum percentage of votes, either nationally or within a particular district, to obtain any seats in the parliament...
  
  , a concept in voting systems
• Poverty thresholds (United States Census Bureau)
  Poverty thresholds (United States Census Bureau)
  For statistical purposes , the United States Census Bureau uses a set of annual income levels, the poverty thresholds, slightly different than the federal poverty guidelines...