INTENSITY DLS AND MASKING IN NORMAL AND IMPAIRED HEARING
正常和听力受损的强度 DLS 和掩蔽
基本信息
- 批准号:3398329
- 负责人:
- 金额:$ 10.25万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:1983
- 资助国家:美国
- 起止时间:1983-12-01 至 1986-11-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Our long-term goal is to develop analytic models for the auditory
processing of tones, noise, and speech in normal and impaired hearing.
Precise quantitative models in the area of auditory science are important
to effectively rehabilate hearing impairment and to provide better
diagnostic tools.
Our successful modeling of loudness perception in impaired listeners
indicates that excitation patterns, which are derived from masking
patterns, may serve as a general framework for modeling normal and impaired
hearing. The proposed research tests the hypothesis that intensity
discrimination, both in normal and impaired hearing, can be predicted on
the basis of excitation patterns. In Phase I, we test and
excitation-pattern model for intensity discrimination in normal hearing.
Predictions derived on the basis of absolute thresholds and masking will be
compared to intensity discrimination data from the same listeners.
Intensity discrimination will be measured for pure tones over a wide range
of frequencies and intensities as well as for two-tone complexes and
multi-tone complexes as a function of bandwidth and level. All
measurements will employ a 2I, 2AFC paradigm with an adaptive procedure.
In addition to testing the model, these experiments will also provide a
comprehensive, cohesive set of direly needed reference data for masking
patterns and intensity discrimination in the same normal listeners.
In Phase II, the model is extended to apply to listeners with impairments
of predominantly cochlear origin. The model will be modified on the basis
of threshold and masking measurements. Predictions thus derived will
compared to these listeners' intensity discrimination performance for the
set stimuli used in Phase I. For at least three listeners with unilateral
impairments, these measurements will be performed in their impaired ears as
well as in their normal ears in quiet and under masking with a noise
spectrally shaped to simulate the hearing loss in the impaired ear. These
measurements permit us to separately assess the effects of increased
thresholds and reduced frequency selectivity on intensity discrimination in
impaired hearing.
我们的长期目标是开发听觉分析模型
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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MARY S. FLORENTINE其他文献
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{{ truncateString('MARY S. FLORENTINE', 18)}}的其他基金
Intensity DLs and Masking in Normal and Impaired Hearing
正常和听力受损的强度 DL 和掩蔽
- 批准号:
6656066 - 财政年份:1983
- 资助金额:
$ 10.25万 - 项目类别:
INTENSITY DLS AND MASKING IN NORMAL AND IMPAIRED HEARING
正常和听力受损的强度 DLS 和掩蔽
- 批准号:
3398327 - 财政年份:1983
- 资助金额:
$ 10.25万 - 项目类别:
Intensity DLs and Masking in Normal and Impaired Hearing
正常和听力受损的强度 DL 和掩蔽
- 批准号:
6711113 - 财政年份:1983
- 资助金额:
$ 10.25万 - 项目类别:
INTENSITY DLS AND MASKING IN NORMAL AND IMPAIRED HEARING
正常和听力受损的强度 DLS 和掩蔽
- 批准号:
2125013 - 财政年份:1983
- 资助金额:
$ 10.25万 - 项目类别:
Intensity DLs and Masking in Normal and Impaired Hearing
正常和听力受损的强度 DL 和掩蔽
- 批准号:
6472515 - 财政年份:1983
- 资助金额:
$ 10.25万 - 项目类别:
INTENSITY DLS AND MASKING IN NORMAL AND IMPAIRED HEARING
正常和听力受损的强度 DLS 和掩蔽
- 批准号:
6124949 - 财政年份:1983
- 资助金额:
$ 10.25万 - 项目类别:
INTENSITY DLS AND MASKING IN NORMAL AND IMPAIRED HEARING
正常和听力受损的强度 DLS 和掩蔽
- 批准号:
2837929 - 财政年份:1983
- 资助金额:
$ 10.25万 - 项目类别:
INTENSITY DLS AND MASKING IN NORMAL AND IMPAIRED HEARING
正常和听力受损的强度 DLS 和掩蔽
- 批准号:
3216033 - 财政年份:1983
- 资助金额:
$ 10.25万 - 项目类别:
INTENSITY DLS AND MASKING IN NORMAL AND IMPAIRED HEARING
正常和听力受损的强度 DLS 和掩蔽
- 批准号:
2608241 - 财政年份:1983
- 资助金额:
$ 10.25万 - 项目类别:
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