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Feature assignment in perception of ...

Gregg, Melissa Kay.

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Feature assignment in perception of auditory figure and ground.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Feature assignment in perception of auditory figure and ground./
作者:	Gregg, Melissa Kay.
面頁冊數:	115 p.
附註:	Source: Dissertation Abstracts International, Volume: 71-07, Section: B, page: 4513.
Contained By:	Dissertation Abstracts International71-07B.
標題:	Psychology, Experimental. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3408214
ISBN:	9781124041735

Feature assignment in perception of auditory figure and ground.
Gregg, Melissa Kay.

Feature assignment in perception of auditory figure and ground. - 115 p.

Source: Dissertation Abstracts International, Volume: 71-07, Section: B, page: 4513.

Thesis (Ph.D.)--State University of New York at Stony Brook, 2010.

Many critical skills rely on the ability to successfully sort out the auditory sensory information in an auditory scene. For example, in order to communicate successfully, listeners must be able to segregate incoming speech from other co-occurring sounds, such as a telephone ringing, background music, car horns, and speech coming from a nearby source. The task of segregating an auditory object of interest from other co-occurring sounds is one of identifying an organized auditory figure against the unattended auditory ground. In this project, I conducted a series of experiments intended to contribute to a basic understanding of how auditory figure and ground analysis is accomplished. The first part of this project utilized behavioral methods to determine how the relationship between the object in figure and the objects in ground affects the auditory system's assignment of a feature to those objects. One finding that occurred across experimental manipulations was that the auditory system is more likely to allocate a feature to an object that needs the feature in order to be a meaningful object. This finding did not occur as often in more complicated perceptual scenarios, presumably because of increased competition for the feature.

ISBN: 9781124041735Subjects--Topical Terms:

517106
Psychology, Experimental.

Feature assignment in perception of auditory figure and ground.
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520 $a Many critical skills rely on the ability to successfully sort out the auditory sensory information in an auditory scene. For example, in order to communicate successfully, listeners must be able to segregate incoming speech from other co-occurring sounds, such as a telephone ringing, background music, car horns, and speech coming from a nearby source. The task of segregating an auditory object of interest from other co-occurring sounds is one of identifying an organized auditory figure against the unattended auditory ground. In this project, I conducted a series of experiments intended to contribute to a basic understanding of how auditory figure and ground analysis is accomplished. The first part of this project utilized behavioral methods to determine how the relationship between the object in figure and the objects in ground affects the auditory system's assignment of a feature to those objects. One finding that occurred across experimental manipulations was that the auditory system is more likely to allocate a feature to an object that needs the feature in order to be a meaningful object. This finding did not occur as often in more complicated perceptual scenarios, presumably because of increased competition for the feature.
520 $a The second part of this project was designed to address the fate of features in auditory ground. Behavioral and physiological methods were used to determine if features are assigned to objects in perceptual ground or to perceptual groups in ground. The results indicated that features are assigned to objects in the background, but not to perceptual groups. The results suggest that the nature of perceptual ground is not a free-floating perceptual limbo. Rather, objects appear to be well constructed in ground.
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