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SUBLIMINAL GRADATION IN THE VISUAL FIELD
Author(s) -
Kragh Ulf
Publication year - 1962
Publication title -
scandinavian journal of psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.743
H-Index - 72
eISSN - 1467-9450
pISSN - 0036-5564
DOI - 10.1111/j.1467-9450.1962.tb01263.x
Subject(s) - subliminal stimuli , psychology , stimulus (psychology) , foveal , gradation , perception , visual field , cognitive psychology , visual perception , audiology , neuroscience , artificial intelligence , computer science , retinal , medicine , biochemistry , chemistry
K ragh , U. Subliminal gradation in the visual field. Scand. J. Psychol , 1962, 3 , 165–170.—The difference of thresholds for correct recognition of a central figure and of a peripheral figure in the same picture, presented by the tachisto‐scope, is referred to two factors: foveal vs . extrafoveal stimulation, and threat towards the central figure (in terms of ‘perceptual defense’). Differences of size of the figures, again, do not effect ‘subliminal gradation’. The analysis is considered relevant for the comparison between two tachistoscopic techniques: one in which one subliminal stimulus is exposed immediately before a liminal one, and the other with only one subliminal stimulus.