Karen S. Helfer, Ph.D. - Publications

Affiliations: 
Communication Disorders University of Massachusetts, Amherst, Amherst, MA 
Area:
Speech Perception, Aging, Audiology
Website:
http://www.umass.edu/sphhs/person/faculty/karen-s-helfer

50 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2023 Helfer KS, van Emmerik R, Freyman RL, Banks JJ. An Exploratory Study of Walking, Listening, and Remembering in Younger and Middle-Aged Adults. Journal of Speech, Language, and Hearing Research : Jslhr. 66: 4052-4065. PMID 37672796 DOI: 10.1044/2023_JSLHR-23-00198  0.43
2021 Mamo SK, Helfer KS. Speech Understanding in Modulated Noise and Speech Maskers as a Function of Cognitive Status in Older Adults. American Journal of Audiology. 1-13. PMID 34314238 DOI: 10.1044/2021_AJA-20-00177  0.489
2021 Helfer KS, Jesse A. Hearing and speech processing in midlife. Hearing Research. 402: 108097. PMID 33706999 DOI: 10.1016/j.heares.2020.108097  0.536
2020 Helfer KS, van Emmerik R, Banks JJ, Freyman RL. Early aging and postural control while listening and responding. The Journal of the Acoustical Society of America. 148: 3117. PMID 33261409 DOI: 10.1121/10.0002485  0.412
2020 Helfer KS, Freyman RL, van Emmerik R, Banks J. Postural Control While Listening in Younger and Middle-Aged Adults. Ear and Hearing. PMID 32149925 DOI: 10.1097/Aud.0000000000000861  0.476
2019 Helfer KS, Poissant SF, Merchant GR. Word Identification With Temporally Interleaved Competing Sounds by Younger and Older Adult Listeners. Ear and Hearing. PMID 31567564 DOI: 10.1097/Aud.0000000000000786  0.592
2019 Jesse A, Helfer KS. Lexical Influences on Errors in Masked Speech Perception in Younger, Middle-Aged, and Older Adults. Journal of Speech, Language, and Hearing Research : Jslhr. 62: 1152-1166. PMID 31026195 DOI: 10.1044/2018_Jslhr-H-Ascc7-18-0091  0.524
2019 Helfer KS, Freyman RL, Van Emmerik R, Banks J, Clauss M, Dunn L. Listening while balancing: Dual-task costs in speech vs. noise maskers The Journal of the Acoustical Society of America. 145: 1872-1872. DOI: 10.1121/1.5101765  0.539
2018 Helfer KS, Freyman RL, Merchant GR. How repetition influences speech understanding by younger, Middle-aged and older adults. International Journal of Audiology. 1-8. PMID 29801416 DOI: 10.1080/14992027.2018.1475756  0.523
2017 Helfer KS, Merchant GR, Wasiuk PA. Age-Related Changes in Objective and Subjective Speech Perception in Complex Listening Environments. Journal of Speech, Language, and Hearing Research : Jslhr. 60: 3009-3018. PMID 29049601 DOI: 10.1044/2017_Jslhr-H-17-0030  0.532
2017 Freyman RL, Terpening J, Costanzi AC, Helfer KS. The Effect of Aging and Priming on Same/Different Judgments Between Text and Partially Masked Speech. Ear and Hearing. PMID 28650352 DOI: 10.1097/Aud.0000000000000450  0.606
2017 Jesse A, Helfer KS. Lexical influences on error patterns of adult listeners in competing speech perception The Journal of the Acoustical Society of America. 141: 4037-4037. DOI: 10.1121/1.4989314  0.542
2017 Helfer KS, Poissant S, Merchant GR. Aging and the use of syntactic and talker consistency cues in a temporally interleaved task Journal of the Acoustical Society of America. 141: 3819-3819. DOI: 10.1121/1.4988465  0.581
2016 Helfer KS, Freyman RL. Age equivalence in the benefit of repetition for speech understanding. The Journal of the Acoustical Society of America. 140: EL371. PMID 27908048 DOI: 10.1121/1.4966586  0.593
2016 Helfer KS, Merchant GR, Freyman RL. Aging and the effect of target-masker alignment. The Journal of the Acoustical Society of America. 140: 3844. PMID 27908027 DOI: 10.1121/1.4967297  0.587
2016 Merchant GR, Freyman RL, Helfer KS. Additivity of masking at the cocktail party The Journal of the Acoustical Society of America. 139: 1992-1992. DOI: 10.1121/1.4949831  0.406
2015 Helfer KS, Jesse A. Lexical influences on competing speech perception in younger, middle-aged, and older adults. The Journal of the Acoustical Society of America. 138: 363-76. PMID 26233036 DOI: 10.1121/1.4923155  0.618
2015 Helfer KS. Competing Speech Perception in Middle Age. American Journal of Audiology. PMID 25768264 DOI: 10.1044/2015_Aja-14-0056  0.598
2015 Helfer KS, Jesse A. Lexical influences on competing speech perception in younger, middle-aged, and older adults Journal of the Acoustical Society of America. 138: 363-376. DOI: 10.1121/1.4923155  0.475
2015 Helfer KS, Freyman RL, Costanzi A, Laakso S, Merchant G. Can you say that again? Aging and repetition effects in different types of maskers The Journal of the Acoustical Society of America. 137: 2206-2206. DOI: 10.1121/1.4920029  0.526
2014 Helfer KS, Freyman RL. Stimulus and listener factors affecting age-related changes in competing speech perception. The Journal of the Acoustical Society of America. 136: 748-59. PMID 25096109 DOI: 10.1121/1.4887463  0.595
2014 Helfer KS, Staub A. Competing speech perception in older and younger adults: behavioral and eye-movement evidence. Ear and Hearing. 35: 161-70. PMID 24351611 DOI: 10.1097/Aud.0B013E3182A830Cf  0.416
2014 Helfer KS, Costanzi A, Laakso S. Aging and lexical neighborhood effects in competing speech perception Journal of the Acoustical Society of America. 135: 2161-2161. DOI: 10.1121/1.4877011  0.518
2013 Helfer KS, Mason CR, Marino C. Aging and the perception of temporally interleaved words. Ear and Hearing. 34: 160-7. PMID 23135617 DOI: 10.1097/Aud.0B013E31826A8Ea7  0.474
2013 Helfer KS, Costanzi A. Cognitive and auditory influences on speech recognition by younger, middle-aged, and older listeners Journal of the Acoustical Society of America. 133: 50060-50060. DOI: 10.1121/1.4805809  0.602
2010 Helfer KS, Chevalier J, Freyman RL. Aging, spatial cues, and single- versus dual-task performance in competing speech perception. The Journal of the Acoustical Society of America. 128: 3625-33. PMID 21218894 DOI: 10.1121/1.3502462  0.554
2009 Helfer KS, Vargo M. Speech recognition and temporal processing in middle-aged women. Journal of the American Academy of Audiology. 20: 264-71. PMID 19927698 DOI: 10.3766/Jaaa.20.4.6  0.464
2009 Helfer KS, Freyman RL. Lexical and indexical cues in masking by competing speech. The Journal of the Acoustical Society of America. 125: 447-56. PMID 19173430 DOI: 10.1121/1.3035837  0.52
2009 Helfer KS, Chevalier J, Freyman RL. Dual‐task costs in speech recognition by older and younger listeners. The Journal of the Acoustical Society of America. 125: 2724-2724. DOI: 10.1121/1.4808755  0.486
2008 Freyman RL, Balakrishnan U, Helfer KS. Spatial release from masking with noise-vocoded speech. The Journal of the Acoustical Society of America. 124: 1627-37. PMID 19045654 DOI: 10.1121/1.2951964  0.479
2008 Helfer KS, Freyman RL. Aging and speech-on-speech masking. Ear and Hearing. 29: 87-98. PMID 18091104 DOI: 10.1097/Aud.0B013E31815D638B  0.589
2007 Whitmal NA, Poissant SF, Freyman RL, Helfer KS. Speech intelligibility in cochlear implant simulations: Effects of carrier type, interfering noise, and subject experience. The Journal of the Acoustical Society of America. 122: 2376-88. PMID 17902872 DOI: 10.1121/1.2773993  0.517
2007 Freyman RL, Helfer KS, Balakrishnan U. Variability and uncertainty in masking by competing speech. The Journal of the Acoustical Society of America. 121: 1040-6. PMID 17348526 DOI: 10.1121/1.2427117  0.495
2006 Helfer KS, Freyman RL. How do task instructions influence speech‐on‐speech masking? The Journal of the Acoustical Society of America. 119: 3238-3238. DOI: 10.1121/1.4785996  0.486
2005 Helfer KS, Freyman RL. The role of visual speech cues in reducing energetic and informational masking. The Journal of the Acoustical Society of America. 117: 842-9. PMID 15759704 DOI: 10.1121/1.1836832  0.5
2005 Freyman RL, Helfer KS, Balakrishnan U. Sources of variation in masking by competing speech The Journal of the Acoustical Society of America. 117: 2563-2563. DOI: 10.1121/1.4788531  0.513
2004 Helfer KS. Cross-sectional study of differences in speech understanding between users and nonusers of estrogen replacement therapy. Experimental Aging Research. 30: 195-204. PMID 15204632 DOI: 10.1080/03610730490274257  0.432
2004 Freyman RL, Balakrishnan U, Helfer KS. Effect of number of masking talkers and auditory priming on informational masking in speech recognition. The Journal of the Acoustical Society of America. 115: 2246-56. PMID 15139635 DOI: 10.1121/1.1689343  0.446
2004 Helfer KS, Freyman RL. Development of a topic‐related sentence corpus for speech perception research The Journal of the Acoustical Society of America. 115: 2601-2602. DOI: 10.1121/1.4784607  0.496
2001 Freyman RL, Balakrishnan U, Helfer KS. Spatial release from informational masking in speech recognition. The Journal of the Acoustical Society of America. 109: 2112-22. PMID 11386563 DOI: 10.1121/1.1354984  0.431
2001 Helfer KS. Gender, age, and hearing Seminars in Hearing. 22: 271-286. DOI: 10.1055/S-2001-15631  0.407
2001 Helfer KS. Seminars in Hearing: Introduction Seminars in Hearing. 22: 211.  0.301
1999 Freyman RL, Helfer KS, McCall DD, Clifton RK. The role of perceived spatial separation in the unmasking of speech. The Journal of the Acoustical Society of America. 106: 3578-88. PMID 10615698 DOI: 10.1121/1.428211  0.532
1998 Helfer KS. Auditory and auditory-visual recognition of clear and conversational speech by older adults. Journal of the American Academy of Audiology. 9: 234-42. PMID 9644622  0.434
1998 Helfer KS. Communication Technologies for the Elderly: Vision, Hearing, and Speech Ear and Hearing. 19: 87-88. DOI: 10.1097/00003446-199802000-00009  0.403
1997 Helfer KS. Auditory and auditory-visual perception of clear and conversational speech. Journal of Speech, Language, and Hearing Research : Jslhr. 40: 432-43. PMID 9130211 DOI: 10.1044/Jslhr.4002.432  0.494
1994 Helfer KS. Binaural cues and consonant perception in reverberation and noise. Journal of Speech and Hearing Research. 37: 429-38. PMID 8028325 DOI: 10.1044/Jshr.3702.429  0.513
1992 Helfer KS. Aging and the binaural advantage in reverberation and noise. Journal of Speech and Hearing Research. 35: 1394-401. PMID 1494281 DOI: 10.1044/Jshr.3506.1394  0.527
1991 Helfer KS, Huntley RA. Aging and consonant errors in reverberation and noise. The Journal of the Acoustical Society of America. 90: 1786-96. PMID 1960274 DOI: 10.1121/1.401659  0.518
1990 Helfer KS, Wilber LA. Hearing loss, aging, and speech perception in reverberation and noise. Journal of Speech and Hearing Research. 33: 149-55. PMID 2314073 DOI: 10.1044/Jshr.3301.149  0.515
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