SPEECH RECOGNITION BY THE HEARING-IMPAIRED ELDERLY
听障老年人的语音识别
基本信息
- 批准号:3119871
- 负责人:
- 金额:$ 13.92万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:1990
- 资助国家:美国
- 起止时间:1990-05-01 至 1995-04-30
- 项目状态:已结题
- 来源:
- 关键词:aging auditory discrimination auditory feedback auditory stimulus cognition disease /disorder model hearing disorders human old age (65+) human subject memory neural information processing psychoacoustics sensorineural hearing loss short term memory speech stimulus /response young adult human (21-34)
项目摘要
Many of the elderly are hearing impaired with the hearing impairment
sufficient to have an adverse effect on their ability to understand speech.
The proposed project examines various factors which may contribute to the
speech-understanding difficulties experienced by the hearing-impaired
elderly. The proposed project uses a cross-sectional approach to examine
age-related differences in two primary aspects of the speech-understanding
process: (1) peripheral encoding mechanisms; and (2) cognitive processing.
In the area of peripheral encoding mechanisms, experiments will investigate
haw much of the speech-understanding deficits of the hearing-impaired
elderly can be explained by the loss of hearing sensitivity alone and the
extent to which the encoded representation of the acoustic stimulus is
degraded internally by the sensorineural hearing loss. Modeling of the
internal degradation that accompanies sensorineural hearing loss for simple
and complex acoustic stimuli, including speech signals, will also be
performed.
Age-related differences in the cognitive processing of speech will also be
examined. It is generally hypothesized that degradation of the speech
stimuli, whether degraded internally (processed through an ear with
sensorineural hearing loss) or externally (noise, reverberation, synthetic
speech), will place increased demands on higher-level cognitive processing
of speech stimuli. It is further hypothesized that elderly hearing-
impaired listeners have a general deficit in the speed of cognitive
processing that interacts with the increased processing demands associated
with the degraded peripheral input to produce severe speech-understanding
difficulties in this population. The interaction of deficits in cognitive
processing with degradation in peripheral input will be investigated
through examination of age-related differences in primary and secondary
memory and in the use of contextual information for internally and
externally degraded speech.
许多老年人都有听力障碍
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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{{ truncateString('LARRY E HUMES', 18)}}的其他基金
Efficacy of a Low-Cost Hearing Aid and Comparison of Service-Delivery Models
低成本助听器的功效和服务提供模式的比较
- 批准号:
8283191 - 财政年份:2012
- 资助金额:
$ 13.92万 - 项目类别:
Efficacy of a Low-Cost Hearing Aid and Comparison of Service-Delivery Models
低成本助听器的功效和服务提供模式的比较
- 批准号:
8445226 - 财政年份:2012
- 资助金额:
$ 13.92万 - 项目类别:
Efficacy of a Low-Cost Hearing Aid and Comparison of Service-Delivery Models
低成本助听器的功效和服务提供模式的比较
- 批准号:
8642640 - 财政年份:2012
- 资助金额:
$ 13.92万 - 项目类别:
Efficacy of a Low-Cost Hearing Aid and Comparison of Service-Delivery Models
低成本助听器的功效和服务提供模式的比较
- 批准号:
8824913 - 财政年份:2012
- 资助金额:
$ 13.92万 - 项目类别:
In-Home Auditory Training for Older Adults with Hearing Aids: A Clinical Trial
佩戴助听器的老年人的家庭听觉训练:临床试验
- 批准号:
8447504 - 财政年份:2011
- 资助金额:
$ 13.92万 - 项目类别:
Aging and Speech Communication: A Research Conference
衰老与言语交流:研究会议
- 批准号:
8128959 - 财政年份:2011
- 资助金额:
$ 13.92万 - 项目类别:
In-Home Auditory Training for Older Adults with Hearing Aids: A Clinical Trial
佩戴助听器的老年人的家庭听觉训练:临床试验
- 批准号:
8821601 - 财政年份:2011
- 资助金额:
$ 13.92万 - 项目类别:
In-Home Auditory Training for Older Adults with Hearing Aids: A Clinical Trial
佩戴助听器的老年人的家庭听觉训练:临床试验
- 批准号:
8077805 - 财政年份:2011
- 资助金额:
$ 13.92万 - 项目类别:
Aging and Speech Communication: A Research Conference
衰老与言语交流:研究会议
- 批准号:
8463088 - 财政年份:2011
- 资助金额:
$ 13.92万 - 项目类别:
Aging and Speech Communication: A Research Conference
衰老与言语交流:研究会议
- 批准号:
8840863 - 财政年份:2011
- 资助金额:
$ 13.92万 - 项目类别:
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