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  Sounds with time-to-contact properties are processed preferentially

Glatz, C., Bülthoff, H., & Chuang, L. (2015). Sounds with time-to-contact properties are processed preferentially. Poster presented at 57th Conference of Experimental Psychologists (TeaP 2015), Hildesheim, Germany.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002A-473A-3 Version Permalink: https://hdl.handle.net/21.11116/0000-0007-65AE-4
Genre: Poster

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https://www.psycharchives.org/handle/20.500.12034/675 (Publisher version)
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 Creators:
Glatz, C1, 2, Author           
Bülthoff, HH1, 2, Author           
Chuang, LL1, 2, Author           
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Sounds with rising intensities are known to be more salient than their constant amplitude counterparts [Seifritz et al., 2002]. Incorporating a time-to-contact characteristic into the rising profile can further increase their perceived saliency [Gray, 2011]. We investigated whether looming sounds with this time-to-contact profile might be especially effective as warning signals. Nine volunteers performed a primary steering task whilst occasionally discriminating oriented Gabor patches that were presented in their visual periphery. These visual stimuli could be preceded by an auditory warning cue, 1 second before they appeared. The 2000 Hz tone could have an intensity profile that was either constant (65 dB), linearly rising (60 - 75 dB, ramped tone), or exponentially increasing (looming tone). O verall, warning cues resulted in significantly faster and more sensitive detections of the visual targets. More importantly, we found that EEG potentials to the looming tone were significantly earlier and sustained for longer, compared to both the constant and ramped tones. This suggests that looming sounds are processed preferentially because of time-to-contact cues rather than rising intensity alone.

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 Dates: 2015-03
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: BibTex Citekey: GlatzBC2015
DOI: 10.23668/psycharchives.876
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Title: 57th Conference of Experimental Psychologists (TeaP 2015)
Place of Event: Hildesheim, Germany
Start-/End Date: 2015-03-08 - 2015-03-11

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Title: TeaP 2015: Abstracts of the 57th Conference of Experimental Psychologists
Source Genre: Proceedings
 Creator(s):
Bermeitinger, C, Editor
Mojzisch, A, Editor
Greve, W, Editor
Affiliations:
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Publ. Info: Lengerich, Germany : Pabst
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 93 Identifier: ISBN: 978-3-95853-045-4