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A few remarks on stimulus power and interference in visual stimuli

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 10 Feb 2018Publisher:Center for Open Science
Authors: Skottun, Bernt;

doi: 10.31234/osf.io/3nt84 , 10.17605/osf.io/3nt84

A few remarks on stimulus power and interference in visual stimuli

Abstract

Interference may occur between visual stimuli or between separate elements in visual stimuli. Such interference takes place in the stimuli as these exist independently of vision and visual processing. Interference manifests itself in reduced ”stimulus power” which makes this a central concept in this context. The present report examines three potential measures of stimulus power: Amplitude sum, norm, and sum of the absolutes of wavelet coefficients. These are examined with very simple 1-Dimensional stimuli as examples. It is shown how there may be interference with each of these measures. Thus, interference is not only linked to the Fourier Transform. Due to interference a given stimulus may have less stimulus power when presented along with a second stimulus than when presented alone. This has consequences for the concept of stimulus sinceit makes it possible for the same physical stimulus to have different stimulus power in different contexts.

Keywords

PsyArXiv|Social and Behavioral Sciences|Perception|Motion Perception, Cognition and Perception, PsyArXiv|Social and Behavioral Sciences|Perception|Vision, PsyArXiv|Social and Behavioral Sciences|Perception, PsyArXiv|Social and Behavioral Sciences|Perception|Perceptual Organization, PsyArXiv|Social and Behavioral Sciences|Perception|Touch, Taste, and Smell, bepress|Social and Behavioral Sciences|Psychology|Cognition and Perception, PsyArXiv|Social and Behavioral Sciences|Perception|Embodied Cognition, Social and Behavioral Sciences, FOS: Psychology, PsyArXiv|Social and Behavioral Sciences, bepress|Social and Behavioral Sciences, PsyArXiv|Social and Behavioral Sciences|Perception|Audition, PsyArXiv|Social and Behavioral Sciences|Perception|Multisensory Integration, Psychology, Perception, PsyArXiv|Social and Behavioral Sciences|Perception|Picture Processing, PsyArXiv|Social and Behavioral Sciences|Perception|Vestibular Systems and Proprioception, PsyArXiv|Social and Behavioral Sciences|Perception|Action

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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