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뇌과학 이미징 연구단
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Surface Stickiness Perception by Auditory, Tactile, and Visual Cues

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Title
Surface Stickiness Perception by Auditory, Tactile, and Visual Cues
Author(s)
Hyungeol Lee; Eunsil Lee; Jiye Jung; Junsuk Kim
Publication Date
2019-09
Journal
FRONTIERS IN PSYCHOLOGY, v.10, no., pp.2135 -
Publisher
FRONTIERS MEDIA SA
Abstract
© Copyright © 2019 Lee, Lee, Jung and Kim.This study aimed to explore the psychophysical bases of multisensory surface stickiness perception by investigating how sensitively humans perceive different levels of stickiness intensity conveyed by auditory, tactile, and visual cues. First, we sorted five different sticky stimuli by perceived intensity in ascending order for each modality separately and evaluated the discrimination sensitivities of each participant using a fitted psychometric curve. Results showed that perceptual intensity orders were not identical to physical intensity order and that the sequential order of perceived intensities for different modalities was inconsistent. Moreover, estimated perceptual sensitivities to surface stickiness indicated that auditory cues result in better discrimination sensitivity than tactile and visual cues. Second, we calculated the relative perceptual distances of stickiness intensities using multidimensional scaling. A follow-up statistical test demonstrated that the perceptual mapping of vision and touch are similar but that auditory perception is different. These results suggest that the discriminability of stickiness intensity is best served by auditory cues and that texture information processing in the auditory domain is distinctive from that of other modalities
URI
https://pr.ibs.re.kr/handle/8788114/6441
ISSN
1664-1078
Appears in Collections:
Center for Neuroscience Imaging Research (뇌과학 이미징 연구단) > Journal Papers (저널논문)
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