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 (tă-kĭs′tə-skōp′, tə-)
An apparatus that projects a series of images onto a screen at rapid speed to test visual perception, memory, and learning.

[Greek takhistos, superlative of takhus, swift + -scope.]

ta·chis′to·scop′ic (-skŏp′ĭk) adj.


(Physiology) an instrument, used mainly in experiments on perception and memory, for displaying visual images for very brief intervals, usually a fraction of a second
[C20: from Greek takhistos swiftest (see tachy-) + -scope]
tachistoscopic adj
taˌchistoˈscopically adv


(təˈkɪs təˌskoʊp)

an apparatus that exposes visual stimuli, as words, very briefly, used to test perception or to increase reading speed.
[1905–10; < Greek táchist(os), superlative of tachýs swift + -o- + scope]
ta•chis`to•scop′ic (-ˈskɒp ɪk) adj.


an instrument for exposing pictures and other visual stimuli for very brief periods, used in psychological testing and various teaching methods.
See also: Instruments
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tachistoscope - scientific instrument used by psychologiststachistoscope - scientific instrument used by psychologists; presents visual stimuli for brief exposures
scientific instrument - an instrument used by scientists
References in periodicals archive ?
The test incorporates a tachistoscopic technique using peripheral stimuli to trigger subliminal anxiety and thereby defensive reactions.
Earlier studies researching decision-making speed and accuracy of motor response in soccer were based on the presentation of tachistoscopic static slides in a laboratory (McMorris and Graydon, 1996a, 1996b; McMorrison and Beazeley, 1997; Frybort and Kokstejn, 2013).
Identification of spatially quantised tachistoscopic images of faces: How many pixels does it take to carry identity?
Vicary had hoped to use his Fort Lee theater test as a springboard for the development of some kind of advertising business based on tachistoscopic projection.
Beginning with Orton's theory of cerebral dominance in 1928, studies using laterality measures, Wada tests, electroencephalography, bimanual tasks, dichotic and tachistoscopic paradigms, and interhemispheric tasks have been published supporting a neurological and/or hemispheric involvement in the cause and maintenance of stuttering (Arends, Povel, & Kolk, 1988; Blood, 1985; Fitzgerald, Cooke, & Greiner, 1984; Greiner, Fitzgerald, & Cooke, 1986; Jonas, 1981; Kamhi & McOsker, 1982; Naatanen, 1992; Webster, 2004).
For example, Brugger, Gamma, Muri, Schafer, and Taylor (1993) had both disbelievers and believers complete a lateralized tachistoscopic lexical-decision task.
Tachistoscopic training as a supplement to reading instruction for educable mentally retarded children.
The effects of meaningfulness in tachistoscopic word perception.
They were simple-choice RT, Stimulus Discrimination (SD), Probe Recall (PR), and Tachistoscopic Threshold (TT).