{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,13]],"date-time":"2025-05-13T22:21:52Z","timestamp":1747174912536,"version":"3.40.5"},"reference-count":47,"publisher":"American Speech Language Hearing Association","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am J Audiol"],"published-print":{"date-parts":[[2020,9,3]]},"abstract":"<jats:sec>\n            <jats:title>Purpose<\/jats:title>\n            <jats:p>The main purpose of this study was to evaluate aging effects on the predominantly subcortical (brainstem) encoding of the second-formant frequency transition, an essential acoustic cue for perceiving place of articulation.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Method<\/jats:title>\n            <jats:p>\n              Synthetic consonant\u2013vowel syllables varying in second-formant onset frequency (i.e., \/ba\/, \/da\/, and \/ga\/ stimuli) were used to elicit speech-evoked auditory brainstem responses (speech-ABRs) in 16 young adults (\n              <jats:italic>M<\/jats:italic>\n              <jats:sub>age<\/jats:sub>\n              = 21 years) and 11 older adults (\n              <jats:italic>M<\/jats:italic>\n              <jats:sub>age<\/jats:sub>\n              = 59 years). Repeated-measures mixed-model analyses of variance were performed on the latencies and amplitudes of the speech-ABR peaks. Fixed factors were phoneme (repeated measures on three levels: \/b\/ vs. \/d\/ vs. \/g\/) and age (two levels: young vs. older).\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>Speech-ABR differences were observed between the two groups (young vs. older adults). Specifically, older listeners showed generalized amplitude reductions for onset and major peaks. Significant Phoneme \u00d7 Group  interactions were not observed.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>Results showed aging effects in speech-ABR amplitudes that may reflect diminished subcortical encoding of consonants in older listeners. These aging effects were not phoneme dependent as observed using the statistical methods of this study.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1044\/2020_aja-19-00044","type":"journal-article","created":{"date-parts":[[2020,7,21]],"date-time":"2020-07-21T16:39:25Z","timestamp":1595349565000},"page":"391-403","source":"Crossref","is-referenced-by-count":4,"title":["Effects of Aging on the Subcortical Encoding of Stop Consonants"],"prefix":"10.1044","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0130-4332","authenticated-orcid":false,"given":"Dania","family":"Rishiq","sequence":"first","affiliation":[{"name":"Department of Speech Pathology and Audiology, College of Allied Health Professions, University of South Alabama, Mobile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ashley","family":"Harkrider","sequence":"additional","affiliation":[{"name":"Department of Audiology and Speech Pathology, University of Tennessee Health Science Center, Knoxville"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cary","family":"Springer","sequence":"additional","affiliation":[{"name":"Office of Information Technology, Research Computing Support, University of Tennessee, Knoxville"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mark","family":"Hedrick","sequence":"additional","affiliation":[{"name":"Department of Audiology and Speech Pathology, University of Tennessee Health Science Center, Knoxville"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1310","reference":[{"key":"e_1_3_1_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinph.2007.12.010"},{"key":"e_1_3_1_3_1","doi-asserted-by":"publisher","DOI":"10.3389\/fnsys.2014.00008"},{"key":"e_1_3_1_4_1","doi-asserted-by":"publisher","DOI":"10.1121\/1.4799804"},{"key":"e_1_3_1_5_1","doi-asserted-by":"publisher","DOI":"10.1523\/JNEUROSCI.2176-12.2012"},{"key":"e_1_3_1_6_1","doi-asserted-by":"publisher","DOI":"10.1097\/AUD.0b013e31822229d3"},{"key":"e_1_3_1_7_1","first-page":"269","volume-title":"Current controversies in central auditory processing disorder","author":"Banai K.","year":"2008"},{"key":"e_1_3_1_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.heares.2015.01.011"},{"key":"e_1_3_1_9_1","doi-asserted-by":"publisher","DOI":"10.1121\/1.388023"},{"key":"e_1_3_1_10_1","doi-asserted-by":"publisher","DOI":"10.3766\/jaaa.24.7.7"},{"key":"e_1_3_1_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0378-5955(02)00344-1"},{"key":"e_1_3_1_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neulet.2010.12.044"},{"key":"e_1_3_1_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neulet.2016.11.042"},{"key":"e_1_3_1_14_1","doi-asserted-by":"publisher","DOI":"10.1097\/00001756-199511270-00021"},{"key":"e_1_3_1_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinph.2005.05.016"},{"issue":"3","key":"e_1_3_1_16_1","first-page":"134","article-title":"Effects of age on speech-in-noise identification: Subjective ratings of hearing difficulties and encoding of fundamental frequency in older adults","volume":"22","author":"Heidari A.","year":"2018","journal-title":"Journal of Audiology and Otology"},{"key":"e_1_3_1_17_1","doi-asserted-by":"publisher","DOI":"10.1523\/JNEUROSCI.4205-12.2013"},{"key":"e_1_3_1_18_1","doi-asserted-by":"crossref","unstructured":"Hornickel J. 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