The Operational Potential Of Subliminal Perception

1958 ◽  
Author(s):  
Richard Gafford
Keyword(s):  
Subliminal Perception ◽  
Operational Potential

The “Orienting Reflex” as an Input Indicator in “Subliminal” Perception

1972 ◽  
Vol 35 (1) ◽  
pp. 103-110
Author(s):  
Phillip Kleespies ◽  
Morton Wiener
Keyword(s):  
Eye Movements ◽  
Eye Movement ◽  
Exposure Duration ◽  
Visual Input ◽  
Orienting Reflex ◽  
Subliminal Perception ◽  
Thematic Content ◽  
Movement Data ◽  
Report Data ◽  
Input Indicator

This study explored (1) for evidence of visual input at so-called “subliminal” exposure durations, and (2) whether the response, if any, was a function of the thematic content of the stimulus. Thematic content (threatening versus non-threatening) and stimulus structure (angular versus curved) were varied independently under “subliminal,” “part-cue,” and “identification” exposure conditions. With Ss' reports and the frequency and latency of first eye movements (“orienting reflex”) as input indicators, there was no evidence of input differences which are a function of thematic content at any exposure duration, and the “report” data were consistent with the eye-movement data.

scholarly journals Hydrometeor classification through statistical clustering of polarimetric radar measurements: a semi-supervised approach

2016 ◽  
Vol 9 (9) ◽  
pp. 4425-4445 ◽  
Author(s):  
Nikola Besic ◽  
Jordi Figueras i Ventura ◽  
Jacopo Grazioli ◽  
Marco Gabella ◽  
Urs Germann ◽  
...  
Keyword(s):  
Polarimetric Radar ◽  
Statistical Framework ◽  
X Band ◽  
Different Types ◽  
Unsupervised Approach ◽  
Radar Measurements ◽  
Supervised Classification Methods ◽  
Operational Potential ◽  
Statistical Clustering

Abstract. Polarimetric radar-based hydrometeor classification is the procedure of identifying different types of hydrometeors by exploiting polarimetric radar observations. The main drawback of the existing supervised classification methods, mostly based on fuzzy logic, is a significant dependency on a presumed electromagnetic behaviour of different hydrometeor types. Namely, the results of the classification largely rely upon the quality of scattering simulations. When it comes to the unsupervised approach, it lacks the constraints related to the hydrometeor microphysics. The idea of the proposed method is to compensate for these drawbacks by combining the two approaches in a way that microphysical hypotheses can, to a degree, adjust the content of the classes obtained statistically from the observations. This is done by means of an iterative approach, performed offline, which, in a statistical framework, examines clustered representative polarimetric observations by comparing them to the presumed polarimetric properties of each hydrometeor class. Aside from comparing, a routine alters the content of clusters by encouraging further statistical clustering in case of non-identification. By merging all identified clusters, the multi-dimensional polarimetric signatures of various hydrometeor types are obtained for each of the studied representative datasets, i.e. for each radar system of interest. These are depicted by sets of centroids which are then employed in operational labelling of different hydrometeors. The method has been applied on three C-band datasets, each acquired by different operational radar from the MeteoSwiss Rad4Alp network, as well as on two X-band datasets acquired by two research mobile radars. The results are discussed through a comparative analysis which includes a corresponding supervised and unsupervised approach, emphasising the operational potential of the proposed method.

Subliminal perception or perception of partial cues.

1960 ◽  
Vol 61 (1) ◽  
pp. 124-137 ◽  
Author(s):  
M. Wiener ◽  
P. H. Schiller
Keyword(s):  
Subliminal Perception

Sleep Learning and Progressive Blurring of Perception during Sleep

1973 ◽  
Vol 37 (1) ◽  
pp. 51-62 ◽  
Author(s):  
Jose I. Lasaga ◽  
Agueda M. Lasaga
Keyword(s):  
Multiple Choice ◽  
Choice Test ◽  
Multiple Choice Test ◽  
Subliminal Perception ◽  
Verbal Stimuli ◽  
Perceptual Distortions ◽  
Stage 1

8 Ss were presented verbal stimuli (numbers) during different stages of sleep. 15 sec. after each presentation they were awakened and asked if they had heard anything. If not, they were presented a multiple-choice test including the stimulus and another 3 numbers. It was concluded that: (1) even during stages 3 and 4 some perception of verbal stimuli is possible during sleep; (2) there is a progressive blurring of perception from stage 1 and REM to stages 3 and 4; (3) some forms of learning seem to be possible during sleep beyond a drowsy state, e.g., associations of words, but perceptual distortions make extremely unlikely the assimilation of complex verbal materials. It was also noticed that most verbal stimulations tended to produce a lightening of sleep as measured by the EEG. Based on the responses of some Ss the possibility of some form of subliminal perception during sleep was also raised.

Problems with subliminal perception

1989 ◽  
Vol 3 (3) ◽  
pp. 361-365 ◽  
Author(s):  
L. L. Ainsworth
Keyword(s):  
Subliminal Perception

scholarly journals Aesthetic cognition of society: modern and postmodern representations in contemporary non-fiction

2020 ◽  
Author(s):  
Paulo Tiago Bento
Keyword(s):  
Social Science ◽  
Travel Writing ◽  
Cognitive Engagement ◽  
Empirical Testing ◽  
The Past ◽  
Non Fiction ◽  
Aesthetic Cognition ◽  
Operational Potential

Patterns of representation in travel writing, travel guides, journalism and memoir are shown to amount to aesthetic cognition by comparison to social science analogues. Their postmodernity questions the supposed factuality of those genres. Travel writing and travel guides’s expected orientation to the present is contested by how the past is used. The patterns show operational potential for empirical testing of usual temporal boundaries of the postmodern. Finally, they are forms of modern and postmodern cognitive engagement of tourists and would-be tourists with society, complementing major theories of tourist motivation.

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