The role of high-frequency hearing in age-related speech understanding deficits
An experiment was conducted to further explore the effect of ageing on speech understanding under degraded listening conditions. Two groups of subjects, aged 20-39 years and 50-75 years were tested. Measurements were made of hearing thresholds in each ear from 0.25-10 kHz, consonant discrimination i...
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| Veröffentlicht in: | Scandinavian Audiology 2000, Vol.29 (3), p.131-138 |
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| creator | Abel, Sharon M. Sass-Kortsak, Andrea Naugler, Jennifer J. |
| description | An experiment was conducted to further explore the effect of ageing on speech understanding under degraded listening conditions. Two groups of subjects, aged 20-39 years and 50-75 years were tested. Measurements were made of hearing thresholds in each ear from 0.25-10 kHz, consonant discrimination in quiet and continuous speech spectrum noise (S/N = −10 dB) and monophonic and stereophonic frequency selectivity. Neither group would have been diagnosed as hearing-impaired. Nonetheless, the older group had significantly higher hearing thresholds, which increased systematically with frequency. Poorer consonant discrimination in noise was observed for the older group. This outcome was correlated with high-frequency thresholds, not with age. There was no between-group difference in stereophonic frequency selectivity, minimizing the possibility of age-related changes in central auditory processing. Monophonic frequency selectivity, an index of cochlear processing, was correlated with speech understanding. The results support the conclusion that observed age-related effects are secondary to cochlear dysfunction. |
| doi_str_mv | 10.1080/010503900750042699 |
| format | Article |
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Two groups of subjects, aged 20-39 years and 50-75 years were tested. Measurements were made of hearing thresholds in each ear from 0.25-10 kHz, consonant discrimination in quiet and continuous speech spectrum noise (S/N = −10 dB) and monophonic and stereophonic frequency selectivity. Neither group would have been diagnosed as hearing-impaired. Nonetheless, the older group had significantly higher hearing thresholds, which increased systematically with frequency. Poorer consonant discrimination in noise was observed for the older group. This outcome was correlated with high-frequency thresholds, not with age. There was no between-group difference in stereophonic frequency selectivity, minimizing the possibility of age-related changes in central auditory processing. Monophonic frequency selectivity, an index of cochlear processing, was correlated with speech understanding. The results support the conclusion that observed age-related effects are secondary to cochlear dysfunction.</description><subject>Age Factors</subject><subject>Aged</subject><subject>Aging - physiology</subject><subject>Auditory Threshold - physiology</subject><subject>Female</subject><subject>Hearing Loss, High-Frequency - diagnosis</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Phonetics</subject><subject>Psychoacoustics</subject><subject>Severity of Illness Index</subject><subject>Speech Perception - physiology</subject><issn>0105-0397</issn><issn>1708-8186</issn><issn>1940-2872</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU2LFDEQhoMo7uzqH_AgffLWa-Vj8gF6kMUvWNjLeg7pdGU6S08yJt3I_HszzB4UYT0VFM9b9dZbhLyhcE1Bw3ugsAVuANQWQDBpzDOyoQp0r6mWz8nmBPSNUBfkstYHAOBSwEtyQcE0GaUbcnc_YVfyjF0O3RR3Ux8K_lwx-WM3oSsx7bqYOrfDvuDsFhy7ekD0U7emEUtdXBpPzIgh-rjUV-RFcHPF14_1ivz48vn-5lt_e_f1-82n294LrpaeCQ40hECHwRsvuTHa-UFpLTQ1Sg8MByaU1IPQgxwVZ60hvJZ-lEwKifyKvDvPPZTc7NbF7mP1OM8uYV6r1dstY-30_4KKMam4EQ1kZ9CXXGvBYA8l7l05Wgr2lLf9N-8mevs4fR32OP4hOQfcgI9nIKaQy979ymUe7eKOcy6huORjtfzJBR_-0refzMvkXUH7kNeSWsZP-fsNMHGfqg</recordid><startdate>2000</startdate><enddate>2000</enddate><creator>Abel, Sharon M.</creator><creator>Sass-Kortsak, Andrea</creator><creator>Naugler, Jennifer J.</creator><general>Informa UK Ltd</general><general>Taylor & Francis</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>8BM</scope><scope>7T9</scope></search><sort><creationdate>2000</creationdate><title>The role of high-frequency hearing in age-related speech understanding deficits</title><author>Abel, Sharon M. ; Sass-Kortsak, Andrea ; Naugler, Jennifer J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c437t-24301fff1bbc9c63998acb788481978b2eb24768b48b6d7322eb4c86cd62646e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Age Factors</topic><topic>Aged</topic><topic>Aging - physiology</topic><topic>Auditory Threshold - physiology</topic><topic>Female</topic><topic>Hearing Loss, High-Frequency - diagnosis</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Phonetics</topic><topic>Psychoacoustics</topic><topic>Severity of Illness Index</topic><topic>Speech Perception - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Abel, Sharon M.</creatorcontrib><creatorcontrib>Sass-Kortsak, Andrea</creatorcontrib><creatorcontrib>Naugler, Jennifer J.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>ComDisDome</collection><collection>Linguistics and Language Behavior Abstracts (LLBA)</collection><jtitle>Scandinavian Audiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Abel, Sharon M.</au><au>Sass-Kortsak, Andrea</au><au>Naugler, Jennifer J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The role of high-frequency hearing in age-related speech understanding deficits</atitle><jtitle>Scandinavian Audiology</jtitle><addtitle>Scand Audiol</addtitle><date>2000</date><risdate>2000</risdate><volume>29</volume><issue>3</issue><spage>131</spage><epage>138</epage><pages>131-138</pages><issn>0105-0397</issn><eissn>1708-8186</eissn><eissn>1940-2872</eissn><coden>SNADAS</coden><abstract>An experiment was conducted to further explore the effect of ageing on speech understanding under degraded listening conditions. Two groups of subjects, aged 20-39 years and 50-75 years were tested. Measurements were made of hearing thresholds in each ear from 0.25-10 kHz, consonant discrimination in quiet and continuous speech spectrum noise (S/N = −10 dB) and monophonic and stereophonic frequency selectivity. Neither group would have been diagnosed as hearing-impaired. Nonetheless, the older group had significantly higher hearing thresholds, which increased systematically with frequency. Poorer consonant discrimination in noise was observed for the older group. This outcome was correlated with high-frequency thresholds, not with age. There was no between-group difference in stereophonic frequency selectivity, minimizing the possibility of age-related changes in central auditory processing. Monophonic frequency selectivity, an index of cochlear processing, was correlated with speech understanding. The results support the conclusion that observed age-related effects are secondary to cochlear dysfunction.</abstract><cop>Denmark</cop><pub>Informa UK Ltd</pub><pmid>10990011</pmid><doi>10.1080/010503900750042699</doi><tpages>8</tpages></addata></record> |
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| ispartof | Scandinavian Audiology, 2000, Vol.29 (3), p.131-138 |
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| language | eng |
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| source | MEDLINE; Taylor & Francis Medical Library - CRKN; Access via Taylor & Francis |
| subjects | Age Factors Aged Aging - physiology Auditory Threshold - physiology Female Hearing Loss, High-Frequency - diagnosis Humans Male Middle Aged Phonetics Psychoacoustics Severity of Illness Index Speech Perception - physiology |
| title | The role of high-frequency hearing in age-related speech understanding deficits |
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