Brian Moore (scientist)

Brian C.J. Moore FmedSci, FRS (born 10 February 1946) is an Emeritus Professor of Auditory Perception in the University of Cambridge and an Emeritus Fellow of Wolfson College, Cambridge. His research focuses on psychoacoustics, audiology, and the development and assessment of hearing aids (signal processing and fitting methods).

Brian C.J. Moore

FRS FMedSci
Brian Moore in 2017
Born (1946-02-10) February 10, 1946
London
NationalityBritish
EducationSt Catharine's College, Cambridge
Scientific career
Fields
  • Psychology
  • Psychoacoustics
  • Speech perception
  • Audiology
Institutions

Moore is a fellow of the Royal Society, the Academy of Medical Sciences, the Acoustical Society of America, the Audio Engineering Society, the British Society of Audiology, the Association for Psychological Science, and the Belgian Society of Audiology, and the British Society of Hearing Aid Audiologists. He has written or edited 20 books and over 730 scientific papers and book chapters.

Biography

Education

Moore studied Natural Sciences at St Catharine’s College, Cambridge, obtaining his BA in 1968. In 1971 he was awarded a Ph.D. in Experimental Psychology on the topic of Pitch Perception [1].

Career

Moore was a Lecturer in Psychology at the University of Reading from 1971 to 1977, spending the year 1973-74 as a Fulbright-Hays Senior Scholar and Visiting Professor at the Department of Psychology, Brooklyn College of the City University of New York. In 1977 he was appointed University Lecturer in Experimental Psychology at the University of Cambridge where he was subsequently appointed Reader (1989) and Professor (1995). He became Emeritus Professor in 2014. He was appointed as Fellow of Wolfson College in 1983.

Moore has been an Associate Editor of the Journal of the Acoustical Society of America, Auditory Neuroscience, Hearing Research, The International Journal of Audiology, Otology and Neuro-Otology, and Trends in Hearing. He is President of the Association of Independent Hearing Healthcare Professionals (UK).

Research

In his early career in the 1970's, Moore was mainly interested in fundamental research on loudness and pitch perception, masking effects, and speech recognition.[2] He started to consider the practical aspects and potential applications of this research in the 1980's with his work on a 2-channel compression hearing aid.[2] Other examples of practical applications include the development of a new loudness model that eventually became an international (ISO) standard,[3] and the implementation of models of sound quality applicable to mobile telephones and other devices with Nokia.

Moore has written or edited several influential books on hearing. His text book An Introduction to the Psychology of Hearing [4] has been cited over 5600 times and has been translated into Japanese, Polish, Korean, and Chinese. Other books include Cochlear hearing Loss [5] and Auditory Processing of Temporal Fine Structure: Effects of Age and Hearing Loss.[6]

Pitch perception

Moore was one of the first researchers to present convincing evidence for the role of phase locking (the synchronization of nerve spikes to individual cycles of the filtered stimulus in the cochlea) in the perception of pitch. He showed that the ability of human listeners to detect small changes in frequency of brief tones was too good to be accounted for by a place mechanism of pitch for frequencies up to about 4 kHz.[7] Together with Stephan Ernst he later showed that the ability to detect small changes in frequency worsened with increasing frequency from 2 to 8 kHz, consistent with the roll-off in the precision of phase-locking information at high frequencies, and then reached a plateau, consistent with a transition to a place mechanism.[8] Together with Aleksander Sek he showed that phase locking to the temporal fine structure of complex tones contributes to the perception of pitch up to higher frequencies than previously assumed [9] and that the detection of frequency modulation for low modulation rates also probably depends on phase locking.[10]

Loudness perception and modelling

Moore together with Brian Glasberg, Thomas Baer and Michael Stone developed a model for predicting the loudness of sounds [11] by extending and modifying the earlier models of Fletcher and Munson[12] and of Zwicker and Scharf.[13] The model proposed by Moore and co-workers formed the basis for an American National Standard [14] and an ISO standard.[3] An extension of the model to deal with time-varying sounds is under consideration as an ISO standard (ISO532-3, 2020). The loudness model of Moore and colleagues has been extended to predict loudness for people with hearing loss [15] and this has been used to develop methods of fitting hearing aids.[16]

Hearing aid design and fitting

Moore collaborated in the development and evaluation of multi-channel compression hearing aids intended to compensate for the loudness recruitment experienced by most hearing-impaired people.[17][18] He and his colleagues developed a dual-time-constant automatic gain control system that has been widely used in hearing aids and cochlear implants.[19][20]

Diagnostic tests of hearing

Moore and colleagues developed the Threshold Equalizing Noise (TEN) test for diagnosing dead regions in the cochlea; these are regions with very few or no functioning inner hair cells, synapses or neurons.[21] The outcomes of the TEN test are relevant to the fitting of hearing aids and cochlear implants.[22][23] The TEN test has been incorporated in the audiometers of several major manufacturers. Brian Moore also contributed to the development of tests for assessing monaural and binaural sensitivity to the temporal fine structure of sounds.[24][25] These tests have been widely used in research and clinical studies.[26][27]

Auditory scene analysis

Moore and colleagues were among the first to demonstrate the role of harmonicity in auditory scene analysis: simultaneous sinewaves that form a harmonic series are heard as a single sound object, but if a single sinewave is mistuned slightly from the harmonic series it “pops out” as a separate sound object.[28][29] Moore and colleagues also showed that for rapid sequences of pure tones with alternating frequencies, the fission boundary (the frequency separation between successive tones at which they can no longer be heard as two separate streams) is constant across a wide range of centre frequencies when expressed on the ERBN-number scale developed in Moore’s laboratory.[30][31]

Effects of hearing loss and age on speech perception

Moore and colleagues have conducted several studies examining the relationship between psychoacoustic abilities and speech perception by people with cochlear hearing loss and older people. They have shown that difficulties in speech perception are at least partly linked to reduced sensitivity to the temporal fine structure of sounds.[32][33][34] Deficits in the processing of temporal fine structure are associated with increasing age even when audiometric thresholds remain normal.[26]

Awards and honors
  • 1983    Thomas Simm Littler prize of the British Society of Audiology for the book “An Introduction to the Psychology of Hearing”. [35]
  • 1997    Appointed an Honorary Member of the Belgian Society of Audiology in recognition of “outstanding contributions to the field of audiology”.
  • 1999    Elected an Honorary Fellow of the British Society of Hearing Aid Audiologists in recognition of “outstanding contributions to audiology”.
  • 2001    Elected a Fellow of the Academy of Medical Sciences (FMedSci).
  • 2002    Elected a Fellow of the Royal Society of London (FRS).
  • 2003    Silver Medal in Physiological and Psychological Acoustics from the Acoustical Society of America.[36]
  • 2004    International Award in Hearing from the American Academy of Audiology.[37]
  • 2006    Thomas Simm Littler prize of the British Society of Audiology for the best academic contribution to audiology. [35]
  • 2008    Award of Merit from the Association for Research in Otolaryngology.[38]
  • 2008    Hugh Knowles Prize for Distinguished Achievement from the Hugh Knowles Center for Clinical and Basic Science in Hearing and Its Disorders. [39]
  • 2013    Thomas Simm Littler lectureship of the British Society of Audiology. [35]
  • 2014    Gold Medal from the Acoustical Society of America “For leadership in research on human hearing and its clinical applications”.[36]
  • 2015    Awarded a Doctorate Honoris Causa from Adam Mickiewicz University, Poznan, Poland. [40]
  • 2016    Elected a Fellow of the Audio Engineering Society in recognition of “significant contributions to the understanding of human auditory perception, particularly in relation to sound reproduction and hearing aids”
  • 2019    Appointed a Principal Fellow of the British Society of Audiology.
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See also

References
  1. Moore, Brian C.J. (1972). Temporal parameters in pitch perception. Department of Experimental Psychology. University of Cambridge: Ph.D. Dissertation.
  2. "Brian Moore | ENS". www.ens.psl.eu. Retrieved 2020-03-12.
  3. International Organization for Standardization (Ginebra) (2017). ISO 532-2 acoustics methods for calculating loudness. ISO. OCLC 1055581064.
  4. Moore, Brian C. J. (2003). An introduction to the psychology of hearing (5th ed.). Amsterdam: Academic Press. ISBN 0-12-505628-1. OCLC 51652807.
  5. Moore, Brian C. J. (2007). Cochlear hearing loss : physiological, psychological and technical issues (2nd ed.). Chichester: John Wiley & Sons. ISBN 978-0-470-51818-2. OCLC 180765972.
  6. Moore, Brian C J (April 2014). Auditory Processing of Temporal Fine Structure: Effects of Age and Hearing Loss. WORLD SCIENTIFIC. doi:10.1142/9064. ISBN 978-981-4579-65-0.
  7. Moore, B. C. J. (September 1973). "Frequency difference limens for short‐duration tones". The Journal of the Acoustical Society of America. 54 (3): 610–619. Bibcode:1973ASAJ...54..610M. doi:10.1121/1.1913640. ISSN 0001-4966. PMID 4754385.
  8. Moore, Brian C. J.; Ernst, Stephan M. A. (September 2012). "Frequency difference limens at high frequencies: Evidence for a transition from a temporal to a place code". The Journal of the Acoustical Society of America. 132 (3): 1542–1547. Bibcode:2012ASAJ..132.1542M. doi:10.1121/1.4739444. ISSN 0001-4966. PMID 22978883.
  9. Moore, Brian C. J.; Sęk, Aleksander (2009). "Sensitivity of the human auditory system to temporal fine structure at high frequencies". The Journal of the Acoustical Society of America. 125 (5): 3186. Bibcode:2009ASAJ..125.3186M. doi:10.1121/1.3106525. PMID 19425661.
  10. Moore, Brian C. J.; Sek, Aleksander (October 1996). "Detection of frequency modulation at low modulation rates: Evidence for a mechanism based on phase locking". The Journal of the Acoustical Society of America. 100 (4): 2320–2331. Bibcode:1996ASAJ..100.2320M. doi:10.1121/1.417941. ISSN 0001-4966. PMID 8865639.
  11. Moore, B. C. J.; Glasberg, B. R.; Baer, T. (1997-01-01). "A model for the prediction of thresholds, loudness and partial loudness". Cite journal requires |journal= (help)
  12. Fletcher, Harvey; Munson, W. A. (1933-10-01). "Loudness, Its Definition, Measurement and Calculation". The Journal of the Acoustical Society of America. 5 (2): 82–108. Bibcode:1933ASAJ....5...82F. doi:10.1121/1.1915637. ISSN 0001-4966.
  13. Zwicker, Eberhard; Scharf, Bertram (1965). "A model of loudness summation". Psychological Review. 72 (1): 3–26. doi:10.1037/h0021703. ISSN 0033-295X. PMID 14296451.
  14. Acoustical Society of America. (2007). Procedure for the computation of loudness of steady sounds. Standards Secretariat, Acoustical Society of America. OCLC 318613241.
  15. Moore, Brian C.J.; Glasberg, Brian R. (February 2004). "A revised model of loudness perception applied to cochlear hearing loss". Hearing Research. 188 (1–2): 70–88. doi:10.1016/S0378-5955(03)00347-2. PMID 14759572.
  16. Moore, Brian C.J.; Glasberg, Brian R.; Stone, Michael A. (January 2010). "Development of a new method for deriving initial fittings for hearing aids with multi-channel compression: CAMEQ2-HF". International Journal of Audiology. 49 (3): 216–227. doi:10.3109/14992020903296746. ISSN 1499-2027. PMID 20151930.
  17. Laurence, Roger F.; Moore, Brian C. J.; Glasberg, Brian R. (January 1983). "A Comparison of Behind-the-Ear High-Fidelity Linear Hearing Aids and Two-Channel Compression Aids, in the Laboratory and in Everyday Life". British Journal of Audiology. 17 (1): 31–48. doi:10.3109/03005368309081480. ISSN 0300-5364. PMID 6860821.
  18. Moore, Brian C. J.; Johnson, Jeannette Seloover; Clark, Teresa M.; Pluvinage, Vincent (October 1992). "Evaluation of a Dual-Channel Full Dynamic Range Compression System for People with Sensorineural Hearing Loss". Ear and Hearing. 13 (5): 349–370. doi:10.1097/00003446-199210000-00012. ISSN 0196-0202. PMID 1487095.
  19. Moore, Brian C. J.; Glasberg, Brian R.; Stone, Michael A. (January 1991). "Optimization of a slow-acting automatic gain control system for use in hearing aids". British Journal of Audiology. 25 (3): 171–182. doi:10.3109/03005369109079851. ISSN 0300-5364. PMID 1873584.
  20. Boyle, Patrick J.; Büchner, Andreas; Stone, Michael A.; Lenarz, Thomas; Moore, Brian C.J. (January 2009). "Comparison of dual-time-constant and fast-acting automatic gain control (AGC) systems in cochlear implants". International Journal of Audiology. 48 (4): 211–221. doi:10.1080/14992020802581982. ISSN 1499-2027. PMID 19363722.
  21. Moore, B.C.J.; Huss, M.; Vickers, D. A.; Glasberg, B. R.; Alcántara, J.I. (August 2000). "A Test for the Diagnosis of Dead Regions in the Cochlea". British Journal of Audiology. 34 (4): 205–224. doi:10.3109/03005364000000131. ISSN 0300-5364. PMID 10997450.
  22. Moore, Brian C. J. (April 2004). "Dead Regions in the Cochlea: Conceptual Foundations, Diagnosis, and Clinical Applications". Ear and Hearing. 25 (2): 98–116. doi:10.1097/01.AUD.0000120359.49711.D7. ISSN 0196-0202. PMID 15064655.
  23. Zhang, Ting; Dorman, Michael F.; Gifford, Rene; Moore, Brian C. J. (2014). "Cochlear Dead Regions Constrain the Benefit of Combining Acoustic Stimulation With Electric Stimulation". Ear and Hearing. 35 (4): 410–417. doi:10.1097/AUD.0000000000000032. ISSN 0196-0202. PMC 4066196. PMID 24950254.
  24. Moore, Brian C.J.; Sek, Aleksander (January 2009). "Development of a fast method for determining sensitivity to temporal fine structure". International Journal of Audiology. 48 (4): 161–171. doi:10.1080/14992020802475235. ISSN 1499-2027. PMID 19085395.
  25. Hopkins, Kathryn; Moore, Brian C. J. (December 2010). "Development of a fast method for measuring sensitivity to temporal fine structure information at low frequencies". International Journal of Audiology. 49 (12): 940–946. doi:10.3109/14992027.2010.512613. ISSN 1499-2027. PMID 20874427.
  26. Füllgrabe, Christian; Moore, Brian C. J.; Stone, Michael A. (2015-01-13). "Age-group differences in speech identification despite matched audiometrically normal hearing: contributions from auditory temporal processing and cognition". Frontiers in Aging Neuroscience. 6: 347. doi:10.3389/fnagi.2014.00347. ISSN 1663-4365. PMC 4292733. PMID 25628563.
  27. Füllgrabe, Christian; Moore, Brian C. J. (January 2018). "The Association Between the Processing of Binaural Temporal-Fine-Structure Information and Audiometric Threshold and Age: A Meta-Analysis". Trends in Hearing. 22: 233121651879725. doi:10.1177/2331216518797259. ISSN 2331-2165. PMC 6166311. PMID 30261828.
  28. Moore, Brian C. J.; Peters, Robert W.; Glasberg, Brian R. (May 1985). "Thresholds for the detection of inharmonicity in complex tones". The Journal of the Acoustical Society of America. 77 (5): 1861–1867. Bibcode:1985ASAJ...77.1861M. doi:10.1121/1.391937. ISSN 0001-4966. PMID 3998296.
  29. Moore, Brian C. J.; Glasberg, Brian R.; Peters, Robert W. (August 1986). "Thresholds for hearing mistuned partials as separate tones in harmonic complexes". The Journal of the Acoustical Society of America. 80 (2): 479–483. Bibcode:1986ASAJ...80..479M. doi:10.1121/1.394043. ISSN 0001-4966. PMID 3745680.
  30. Rose, Marina M.; Moore, Brian C. J. (September 1997). "Perceptual grouping of tone sequences by normally hearing and hearing-impaired listeners". The Journal of the Acoustical Society of America. 102 (3): 1768–1778. Bibcode:1997ASAJ..102.1768R. doi:10.1121/1.420108. ISSN 0001-4966. PMID 9301054.
  31. Glasberg, Brian R; Moore, Brian C.J (August 1990). "Derivation of auditory filter shapes from notched-noise data". Hearing Research. 47 (1–2): 103–138. doi:10.1016/0378-5955(90)90170-T. PMID 2228789.
  32. Hopkins, Kathryn; Moore, Brian C. J. (March 2010). "The importance of temporal fine structure information in speech at different spectral regions for normal-hearing and hearing-impaired subjects". The Journal of the Acoustical Society of America. 127 (3): 1595–1608. Bibcode:2010ASAJ..127.1595H. doi:10.1121/1.3293003. ISSN 0001-4966. PMID 20329859.
  33. Hopkins, Kathryn; Moore, Brian C. J. (July 2011). "The effects of age and cochlear hearing loss on temporal fine structure sensitivity, frequency selectivity, and speech reception in noise". The Journal of the Acoustical Society of America. 130 (1): 334–349. Bibcode:2011ASAJ..130..334H. doi:10.1121/1.3585848. ISSN 0001-4966. PMID 21786903.
  34. Lorenzi, C.; Gilbert, G.; Carn, H.; Garnier, S.; Moore, B. C. J. (2006-12-05). "Speech perception problems of the hearing impaired reflect inability to use temporal fine structure". Proceedings of the National Academy of Sciences. 103 (49): 18866–18869. Bibcode:2006PNAS..10318866L. doi:10.1073/pnas.0607364103. ISSN 0027-8424. PMC 1693753. PMID 17116863.
  35. Allen, Ann (2011). The History of the British Society of Audiology. Ann Allen, Reading UK.
  36. "Acoustical Society of America Awards". Acoustical Society of America. Retrieved 2020-01-30.
  37. "Academy Honors and President's Awards". Audiology. 2014-05-23. Retrieved 2020-01-30.
  38. "ARO Award of Merit". www.aro.org. Retrieved 2020-01-30.
  39. "Hugh Knowles Prize | Knowles Hearing Center". knowleshearingcenter.northwestern.edu. Retrieved 2020-01-30.
  40. Administrator (2015-04-23). "Professor Brian Moore selected to receive an Honorary Doctorate". www.psychol.cam.ac.uk. Retrieved 2020-01-30.
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