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Individual differen...
Individual differences in the ability to access spatial information in lag-clicks
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- Tirado, Carlos (author)
- Stockholms universitet,Perception och psykofysik
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- Gerdfeldter, Billy (author)
- Stockholms universitet,Perception och psykofysik
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- Nilsson, Mats E. (author)
- Stockholms universitet,Perception och psykofysik
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(creator_code:org_t)
- Acoustical Society of America (ASA), 2021
- 2021
- English.
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In: Journal of the Acoustical Society of America. - : Acoustical Society of America (ASA). - 0001-4966 .- 1520-8524. ; 149:5, s. 2963-2975
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https://doi.org/10.1...
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Abstract
Subject headings
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- It may be difficult to determine whether a dichotic lag-click points to the left or right when preceded by a diotic lead-click. Previous research suggests that this loss of spatial information is most prominent at inter-click intervals (ICIs) <10 ms. However, a study by Nilsson, Tirado, and Szychowska [(2019). J. Acoust. Soc. Am. 145, 512–524] found support for loss of spatial information in lag-clicks at much longer ICIs using a stimulus setup differing from those in previous research. The present study used a setup similar to that of the Nilsson, Tirado, and Szychowska study [(2019). J. Acoust. Soc. Am. 145, 512–524] to measure 13 listeners' ability to lateralize (left versus right) and detect (present versus absent) the lag-click in lead–lag click pairs with ICIs of 6–48 ms. The main finding was distinct individual differences in performance. Some listeners could lateralize lag-clicks all the way down to their detection threshold, whereas others had lateralization thresholds substantially higher than their detection thresholds, i.e., they could not lateralize lag-clicks that they could easily detect. Two such listeners trained for 30 days and managed to improve their lateralization thresholds to reach their detection thresholds, but only at longer ICIs (>20 ms), suggesting different mechanisms underlying lag-click lateralization at short versus long ICIs.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Oto-rhino-laryngologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Otorhinolaryngology (hsv//eng)
Keyword
- lag-clicks
- spatial information
- lateralization
- inter-click intervals
- Psychology
- psykologi
Publication and Content Type
- ref (subject category)
- art (subject category)
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