Perceptual discrimination of basic object features is not facilitated when priming stimuli are prevented from reaching awareness by means of visual masking

Laycock, R 2018, 'Perceptual discrimination of basic object features is not facilitated when priming stimuli are prevented from reaching awareness by means of visual masking', Frontiers in Integrative Neuroscience, vol. 12, pp. 1-10.


Document type: Journal Article
Collection: Journal Articles

Title Perceptual discrimination of basic object features is not facilitated when priming stimuli are prevented from reaching awareness by means of visual masking
Author(s) Laycock, R
Year 2018
Journal name Frontiers in Integrative Neuroscience
Volume number 12
Start page 1
End page 10
Total pages 10
Publisher Frontiers Research Foundation
Abstract Our understanding of how form, orientation and size are processed within and outside of awareness is limited and requires further investigation. Therefore, we investigated whether or not the visual discrimination of basic object features can be influenced by subliminal processing of stimuli presented beforehand. Visual masking was used to render stimuli perceptually invisible. Three experiments examined if visible and invisible primes could facilitate the subsequent feature discrimination of visible targets. The experiments differed in the kind of perceptual discrimination that participants had to make. Namely, participants were asked to discriminate visual stimuli on the basis of their form, orientation, or size. In all three experiments, we demonstrated reliable priming effects when the primes were visible but not when the primes were made invisible. Our findings underscore the importance of conscious awareness in facilitating the perceptual discrimination of basic object features.
Subject Sensory Systems
Sensory Processes, Perception and Performance
Psychology not elsewhere classified
Keyword(s) vision
form discrimination
orientation discrimination
size discrimination
visual masking
priming
DOI - identifier 10.3389/fnint.2018.00013
Copyright notice © 2018 Peel, Sperandio, Laycock and Chouinard.
ISSN 1662-5145
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