Abstract:
:Human auditory steady-state responses (ASSRs) were recorded using stimulus rates of 78-95 Hz in normal young subjects, in elderly subjects with relatively normal hearing, and in elderly subjects with sensorineural hearing impairment. Amplitude-intensity functions calculated relative to actual sensory thresholds (sensation level or SL) showed that amplitudes increased as stimulus intensity increased. In the hearing-impaired subjects this increase was more rapid at intensities just above threshold ("electrophysiological recruitment") than at higher intensities where the increase was similar to that seen in normal subjects. The thresholds in dB SL for recognizing an ASSR and the intersubject variability of these thresholds decreased with increasing recording time and were lower in the hearing impaired compared to the normal subjects. After 9.8 minutes of recording, the average ASSR thresholds (and standard deviations) were 12.6 +/- 8.7 in the normal subjects, 12.4 +/- 11.9 dB in the normal elderly, and 3.6 +/- 13.5 dB SL in the hearing-impaired subjects.
journal_name
J Am Acad Audioljournal_title
Journal of the American Academy of Audiologyauthors
Picton TW,Dimitrijevic A,Perez-Abalo MC,Van Roon Pdoi
10.3766/jaaa.16.3.3keywords:
subject
Has Abstractpub_date
2005-03-01 00:00:00pages
140-56issue
3eissn
1050-0545issn
2157-3107journal_volume
16pub_type
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journal_title:Journal of the American Academy of Audiology
pub_type: 杂志文章
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更新日期:1995-11-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 杂志文章
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更新日期:2017-11-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 杂志文章
doi:
更新日期:2002-06-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 杂志文章
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更新日期:2008-02-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 杂志文章,评审
doi:
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更新日期:2017-03-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
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更新日期:2005-11-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 杂志文章,meta分析
doi:
更新日期:2001-04-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 临床试验,杂志文章
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更新日期:2008-01-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 杂志文章
doi:
更新日期:1992-05-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
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更新日期:2009-11-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 杂志文章
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更新日期:2001-07-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 杂志文章,评审
doi:
更新日期:1996-12-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 杂志文章
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更新日期:2020-02-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 杂志文章,多中心研究
doi:10.3766/jaaa.17004
更新日期:2018-05-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2003-04-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 杂志文章
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更新日期:2014-02-01 00:00:00
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journal_title:Journal of the American Academy of Audiology
pub_type: 杂志文章
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更新日期:2018-11-01 00:00:00