tachistoscope


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ta·chis·to·scope

(tă-kis'tŏ-skōp),
An instrument to determine the shortest time necessary for an object to be perceived.
[G. tachistos, very rapid, fr. tachys, rapid, + skopeō, to view]
Farlex Partner Medical Dictionary © Farlex 2012

tachistoscope

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

ta·chis′to·scop′ic (-skŏp′ĭk) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

tachistoscope 

An instrument that presents visual stimuli for a brief and variable period of time (usually less than 0.1 s).
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
References in periodicals archive ?
Indeed, it has been argued that, from the perspective of experimental psychology, a stimulus counts as subliminal regardless of whether we fail to attend to it because our mind is on something else, or we cannot attend to it because it was produced by a tachistoscope or other such device (Erdelyi & Zizak, 2004; see also Heath, 2012).
As a whole, the advertising industry was already heavily invested in motivation research by the time Vance Packard appeared on the scene; it had no such investment in subliminal advertising, and therefore much less to lose by allowing Vicary's tachistoscope to bear the brunt of the politicians' reactions to Packard's accusations.
In sharp contrast, the types of experimental results that Vicary said he had achieved with his tachistoscope are much more vulnerable to disconfirmation, as became evident in a number of follow-up tests of his claims.
The tachistoscope contained a dimly lit grayish illuminated panel, at which participants could gaze.
During the session itself, the double doors of the sound-attenuated target room were closed, as were the double doors of the sound-attenuated room containing the tachistoscope and the experimenter and participant.
Stimuli were presented to the subjects by means of a two-channel projection tachistoscope (Gerbands Model G1170).
The 40 categorically and spatially related word pairs were presented, in blocks or randomly, using a three-field tachistoscope. In the blocked condition subjects were shown a block of 20 spatially related and another block of 20 categorically related pairs.
He provided his subjects with various degrees of feedback about the target by varying the luminance of the target in a tachistoscope during the feedback presentation.
The children in the middle and lowest performing groups practiced using real and nonsense story words on hand-made tachistoscopes. Several of the children were not initially able to pronounce any of the nonsense words on the pretest.
tachistoscopes. Word Use Fluency Dramatize and re-tell Attempt to write Dandelion (Freeman, one more word or 1977).
We have survived programmed materials, Evelyn Wood, tachistoscopes, behavioral objectives, foreign language labs, modality testing, neurological patterning, reality therapy, transactional analysis, Madeline Hunter, the Initial Teaching Alphabet, discovery learning in science, new math, effective school programs, open schools, ungraded schools, behavior modification, diagnostic-prescriptive teaching, mastery learning, private contracting, merit pay, master teachers, magnet schools, mini-courses, team teaching, and many other educational "innovations" and "innovators."