COMPLEX SOUND ANALYSIS IN NORMAL AND IMPAIRED EARS

正常耳朵和受损耳朵的复杂声音分析

• 批准号: 7174737
• 负责人: John H Grose
• 金额: $ 25.11万
• 依托单位: UNIV OF NORTH CAROLINA CHAPEL HILL
• 依托单位国家: 美国
• 财政年份: 1992
• 资助国家: 美国
• 起止时间: 1992-12-01 至 2008-09-19
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/7174737
• 关键词: Acoustics; Address; Affect; Age; Aging; Aging-Related Process; Analysis of Variance; Area; Auditory; Auditory system; Brain; Cochlear Hearing Loss; Cochlear Implants; Complex; Cues; Data; Ear; Electrodes; Environment; Frequencies; Hearing; Impairment; Investigation; Lead; Mediating; Pattern; Performance; Peripheral; Plant Roots; Play; Process; Psychophysiology; Published Comment; Role; Source; Speech; System; Testing; Time; age effect; hearing impairment; innovation; interest; middle age; perceptual organization; research study; senescence; sound; statistics; stimulus interval

DESCRIPTION (provided by applicant): Most everyday listening environments consist of a multitude of sounds, many of which are fluctuating in level over time. The way in which the brain sifts apart this acoustic complex into its constituent sound sources is referred to as auditory perceptual organization. The root interest of this project is in understanding the role that temporal processing play in perceptual organization, and how impaired auditory systems can compromise this ability. The project pursues two lines of investigation. The first seeks to identify changes in temporal processing that may occur relatively early in the aging process, and to differentiate these from effects of cochlear hearing loss. The second line of investigation examines perceptual organization in listeners with cochlear implants. The project incorporates both psychophysical land electrophysiological paradigms. A total of 75 listeners will participate across a spectrum of experiments. Data will be analyzed using descriptive statistics, tests of correlation, and analyses of variance. The project will lead to a clearer understanding of how complex sounds are perceptually organized in both acoustic and electric hearing, and how changes in the auditory system due to age and hearing loss may affect this ability.

描述（由申请人提供）：大多数日常聆听环境由多种声音组成，其中许多声音随着时间的推移而波动。大脑将这种声学复合物分离到其组成的声音来源的方式被称为听觉感知组织。该项目的根源兴趣在于了解时间处理在感知组织中的作用，以及听觉系统如何损害这种能力。该项目追求两条调查。第一个试图确定在老化过程中可能相对较早发生的时间处理的变化，并将其与耳蜗听力损失的影响区分开来。第二道调查检查了有人工耳蜗的听众中的感知组织。该项目结合了两个心理物理土地电生理范式。共有75位听众将在一系列实验中参与。将使用描述性统计数据，相关测试和方差分析来分析数据。该项目将对声音和电气听力中的复杂声音进行感知组织，以及由于年龄和听力损失引起的听觉系统的变化可能会影响这种能力的情况。