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[국내논문] Audio-visual Spatial Coherence Judgments in the Peripheral Visual Fields 원문보기

信號處理·시스템學會 論文誌 = Journal of the institute of signal processing and systems, v.16 no.2, 2015년, pp.35 - 39  

이채봉 (동서대학교) ,  강대기 (동북대학교)

Abstract ▼ AI-Helper 아이콘AI-Helper

Auditory and visual stimuli presented in the peripheral visual field were perceived as spatially coincident when the auditory stimulus was presented five to seven degrees outwards from the direction of the visual stimulus. Furthermore, judgments of the perceived distance between auditory and visual ...

주제어

#Auditory and Visual Stimuli   #Peripheral Visual Field   #Sound Localization   #Visual Localization   #Spatial Perception   #Spatial localization  

AI 본문요약
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제안 방법

  • In such a case, we expect that stimuli presented in the periphery give rise to a behavior different than that observed in the central visual field. In order to investigate this phenomenon we searched for any differences in the perception of spatial disparity between auditory and visual stimuli presented from the central visual field and those presented in the periphery.
  • As mentioned above, three loudspeakers were added to investigate outward behavior of the perceived distance. In this experiment, an auditory stimulus was presented from one of the twelve loudspeakers, which were arranged as follows: One was at a position of similar to that of the visual stimulus, four speakers were inwards from the visual stimulus position, and seven speakers were outwards from the visual stimulus position. For example, if the visual stimulus was presented from the direction of 40 degrees, the auditory stimulus was presented from one of the speakers in the directions from 20 to 75 degrees.
  • Participants were required to look straight ahead while visual and auditory stimuli were presented simultaneously and were instructed to judge the spatial coherence between the perceptual location of the visual stimulus and that of the auditory stimulus using an integer scale from 1 to 5, "1” meaning ‘completely coincident’ and "5” meaning that the distance between the auditory and visual stimuli was the greatest, the participants had participated in training sessions and knew the greatest distance.
  • With these angles, the participants could not give their judgments properly. Therefore, we conducted an experiment by adding three loudspeakers in the outwards direction of each visual stimulus.

대상 데이터

  • Four males, 20 to 30 years of age without vision and audition impairments participated in the experiment. The experiment was conducted in a completely dark anechoic room.
  • Four males, 20 to 30 years of age without vision and audition impairments participated in the experiment. The experiment was conducted in a completely dark anechoic room. The participants sat on a chair located in the center of an apparatus for audio-visual stimulation.
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참고문헌 (11)

  1. G. J. Thomas, "Experimental study of the influence of vision on sound localization," Journal of Experimental Psychology, 28, pp.167-177, 1941. 

  2. C. E. Jack, W. R. Thurlow, "Effects of degree of visual association and angle of displacement on the ventriloquism' effect," Perceptual and Motor Skills, 37, pp.967-979, 1973. 

    상세보기 crossref

  3. D. Radeau, P. Bertelson, "Adaptation to auditory-visual discordance and ventriloquism in semirealistic situations," Perception and Psychophysics, 6, pp.137-146, 1977. 

  4. R. B. Welch, D. H. Warren, "Immediate perceptual response to intersensory discrepancy," Psychological Bulttein, 88, pp.638-667, 1980. 

    상세보기 crossref

  5. D. Alais, D. Burr, "Then ventriloquist effect results from near-optimal bimodal integration," Curr. Biol., 14(3), pp.257-262, 2004. 

    상세보기 crossref

  6. DR. Perrott, B. Costantino , J. Cisneros, "Auditory and visual localization performance in a sequential discrimination task," J. Acoust. Soc. Am 93(4), pp.2134-2138, 1993. 

    상세보기 crossref

  7. D.G. Kang, R. Miyauchi, Y. Iwaya, Y. Suzuki, "Spatial integration of audio-visual information in the peripheral visual field," 10th International Multisensory Research Forum. 2009. 

  8. A. W. Mills, "On the minimum audible angle," J. Acoust. Soc. Am, 30(4), pp.237-246, 1958. 

    상세보기 crossref

  9. S. Mateeff, A. Gourevich, "Peripheral vision and perceived visual direction," Biol. Cybern., 49, pp.111-118, 1983. 

    상세보기 crossref

  10. A. P. Mapp, R. Barbeito, H. E. Bedell, H. Ono, "Visual localization of briefly presented peripheral targets," Biol. Cybern., 60, pp.261-265, 1989. 

    상세보기 crossref

  11. Y. Suzuki, T. Yokoyama, T. Sone, "Influence of interfering noise on the sound localization of a pure tone," J. Acoust. Soc. Jpn(E), 14, pp.327-229, 1993. 

    상세보기 crossref

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