top-down hypothesis

top-down hypothesis
   A generic name for hypotheses that attribute the mediation of hallucinations primarily to a disorder of the conceptual processing of perceptual information. Some examples of so-called top-down factors are prior knowledge, expectancy, attentional modulation, and "imagery. The term top-down hypothesis is used in opposition to " bottom-up hypothesis. The latter term refers to a group of hypotheses that attribute the mediation of hallucinations primarily to a disorder of the data-driven processing of perceptual information.
   References
   Aleman, A., Laroi, F. (2008). Hallucinations. The science of idiosyncratic perception.New York, NY: American Psychological Association.

Dictionary of Hallucinations. . 2010.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • Top-down and bottom-up design — Top down and bottom up are strategies of information processing and knowledge ordering, mostly involving software, but also other humanistic and scientific theories (see systemics). In practice, they can be seen as a style of thinking and… …   Wikipedia

  • Top-down parsing — is a strategy of analyzing unknown data relationships by hypothesizing general parse tree structures and then considering whether the known fundamental structures are compatible with the hypothesis. It occurs in the analysis of both natural… …   Wikipedia

  • bottom-up hypothesis —    A generic name for a group of hypotheses that attribute the mediation of hallucinations primarily to a disorder of the data driven processing of perceptual information, such as may occur in the context of * deafness, * blindness (i.e. the *… …   Dictionary of Hallucinations

  • Top and bottom in sex and BDSM — The terms top, bottom and switch are used by many people, including heterosexual and LGBT people, BDSM practitioners, and others in regards to sex and BDSM activities. For example, the act of pegging involves a female top and a male bottom .… …   Wikipedia

  • Mesopredator release hypothesis — Raccoons (Procyon lotor) and skunks (Mephitis mephitis) are mesopredators, here they share cat food in a suburban backyard. The mesopredator release hypothesis is a relatively new hypothesis from 1988[1] which describes the …   Wikipedia

  • Controlled demolition hypothesis for the collapse of the World Trade Center — The controlled demolition hypothesis is a 9/11 conspiracy theory that claims the complete structural failure of the World Trade Center towers was not caused by the plane crash damage that occurred as part of the September 11, 2001 attacks, nor by …   Wikipedia

  • Food web — A freshwater aquatic and terrestrial food web. A food web (or food cycle) depicts feeding connections (what eats what) in an ecological community. Ecologists can broadly lump all life forms into one of two categories called trophic levels: 1) the …   Wikipedia

  • cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium

  • Abiogenesis — Primordial soup redirects here. For the board game, see Primordial Soup (board game). Origin of life redirects here. For views on the origins of life outside the natural sciences, see Creation myth. Pre Cambrian stromatolites in the Siyeh… …   Wikipedia

  • Eye movement in music reading — skills. A central aspect of music reading is the sequence of alternating saccades and fixations, as it is for most oculomotor tasks. Saccades are the rapid ‘flicks’ that move the eyes from location to location over a music score. Saccades are… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”