Michael A Akeroyd

Summary

Affiliation: University of Glasgow
Country: UK

Publications

  1. pmc An overview of the major phenomena of the localization of sound sources by normal-hearing, hearing-impaired, and aided listeners
    Michael A Akeroyd
    MRC CSO Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Glasgow, UK
    Trends Hear 18:. 2014
  2. ncbi request reprint Threshold differences for interaural time delays carried by double vowels
    Michael A Akeroyd
    Department of Neuroscience, University of Connecticut Health Center, Farmington, Connecticut 06030, USA
    J Acoust Soc Am 114:2167-77. 2003
  3. pmc The effect of hearing impairment on localization dominance for single-word stimuli
    Michael A Akeroyd
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Alexandra Parade, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 130:312-23. 2011
  4. pmc A binaural beat constructed from a noise (L)
    Michael A Akeroyd
    MRC Institute of Hearing Research, Scottish Section, Glasgow Royal Infirmary, Alexandra Parade, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 128:3301-4. 2010
  5. pmc The effect of hearing-aid compression on judgments of relative distance
    Michael A Akeroyd
    MRC Institute of Hearing Research, Scottish Section, Glasgow Royal Infirmary, Alexandra Parade, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 127:9-12. 2010
  6. doi request reprint Are individual differences in speech reception related to individual differences in cognitive ability? A survey of twenty experimental studies with normal and hearing-impaired adults
    Michael A Akeroyd
    MRC Institute of Hearing Research, Scottish Section, Glasgow Royal Infirmary, Glasgow, UK
    Int J Audiol 47:S53-71. 2008
  7. pmc Stuart Gatehouse: a brief life
    Michael A Akeroyd
    MRC Institute of Hearing Research, Scottish Section, Glasgow Royal Infirmary, Glasgow, UK
    Trends Amplif 12:67-75. 2008
  8. pmc The detection of differences in the cues to distance by elderly hearing-impaired listeners
    Michael A Akeroyd
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Alexandra Parade, Glasgow, G31 2ER, United Kingdom
    J Acoust Soc Am 121:1077-89. 2007
  9. pmc The binaural performance of a cross-talk cancellation system with matched or mismatched setup and playback acoustics
    Michael A Akeroyd
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Alexandra Parade, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 121:1056-69. 2007
  10. ncbi request reprint The psychoacoustics of binaural hearing
    Michael A Akeroyd
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Glasgow, UK
    Int J Audiol 45:S25-33. 2006

Detail Information

Publications40

  1. pmc An overview of the major phenomena of the localization of sound sources by normal-hearing, hearing-impaired, and aided listeners
    Michael A Akeroyd
    MRC CSO Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Glasgow, UK
    Trends Hear 18:. 2014
    ..The influence of vision on the localization of real-world sounds is emphasized, such as through the ventriloquist effect or the intriguing link between spatial hearing and visual attention. ..
  2. ncbi request reprint Threshold differences for interaural time delays carried by double vowels
    Michael A Akeroyd
    Department of Neuroscience, University of Connecticut Health Center, Farmington, Connecticut 06030, USA
    J Acoust Soc Am 114:2167-77. 2003
    ....
  3. pmc The effect of hearing impairment on localization dominance for single-word stimuli
    Michael A Akeroyd
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Alexandra Parade, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 130:312-23. 2011
    ..This suggests that reductions in localization dominance may affect everyday auditory perception...
  4. pmc A binaural beat constructed from a noise (L)
    Michael A Akeroyd
    MRC Institute of Hearing Research, Scottish Section, Glasgow Royal Infirmary, Alexandra Parade, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 128:3301-4. 2010
    ....
  5. pmc The effect of hearing-aid compression on judgments of relative distance
    Michael A Akeroyd
    MRC Institute of Hearing Research, Scottish Section, Glasgow Royal Infirmary, Alexandra Parade, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 127:9-12. 2010
    ..Twenty-six aided listeners participated. The results did not show any effect of compression ratio upon JNDs. A possible interpretation is that the listeners had acclimatized to the effect their aids have on level...
  6. doi request reprint Are individual differences in speech reception related to individual differences in cognitive ability? A survey of twenty experimental studies with normal and hearing-impaired adults
    Michael A Akeroyd
    MRC Institute of Hearing Research, Scottish Section, Glasgow Royal Infirmary, Glasgow, UK
    Int J Audiol 47:S53-71. 2008
    ..Some of the studies included aided listening, and two reported the benefits from aided listening: again mixed results were found, and in some circumstances cognition was a useful predictor of hearing-aid benefit...
  7. pmc Stuart Gatehouse: a brief life
    Michael A Akeroyd
    MRC Institute of Hearing Research, Scottish Section, Glasgow Royal Infirmary, Glasgow, UK
    Trends Amplif 12:67-75. 2008
    ..This article describes his life and career...
  8. pmc The detection of differences in the cues to distance by elderly hearing-impaired listeners
    Michael A Akeroyd
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Alexandra Parade, Glasgow, G31 2ER, United Kingdom
    J Acoust Soc Am 121:1077-89. 2007
    ..Gatehouse and W. Noble, Int. J. Audiol. 43, 85-99 (2004)]. The results demonstrate that hearing-impaired listeners show deficits in the ability to use some of the cues which signal auditory distance...
  9. pmc The binaural performance of a cross-talk cancellation system with matched or mismatched setup and playback acoustics
    Michael A Akeroyd
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Alexandra Parade, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 121:1056-69. 2007
    ..It is concluded that only when the OSD system is set up with "matched" head-related transfer functions can it deliver accurate binaural cues...
  10. ncbi request reprint The psychoacoustics of binaural hearing
    Michael A Akeroyd
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Glasgow, UK
    Int J Audiol 45:S25-33. 2006
    ....
  11. ncbi request reprint The across frequency independence of equalization of interaural time delay in the equalization-cancellation model of binaural unmasking
    Michael A Akeroyd
    Laboratory of Experimental Psychology, University of Sussex, Brighton, BN1 9QG, United Kingdom
    J Acoust Soc Am 116:1135-48. 2004
    ....
  12. ncbi request reprint Can dichotic pitches form two streams?
    Michael A Akeroyd
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Alexandra Parade, Glasgow, G31 2ER, United Kingdom
    J Acoust Soc Am 118:977-81. 2005
    ..These results provide evidence that streaming can occur between stimuli whose pitch percept is derived binaurally. They are inconsistent with models of streaming based solely on differences in the monaural excitation pattern...
  13. pmc The Just-Meaningful Difference in Speech-to-Noise Ratio
    David McShefferty
    MRC CSO Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, UK
    Trends Hear 20:. 2016
    ..This SNR JMD of the order of 6 dB provides a new benchmark, indicating the SNR improvement necessary to immediately motivate participants to seek intervention...
  14. pmc Undirected head movements of listeners with asymmetrical hearing impairment during a speech-in-noise task
    W Owen Brimijoin
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, 16 Alexandra Parade, Glasgow G31 2ER, UK
    Hear Res 283:162-8. 2012
    ....
  15. doi request reprint The role of segmentation difficulties in speech-in-speech understanding in older and hearing-impaired adults
    Alexandra Woodfield
    Scottish Section, MRC Institute of Hearing Research Glasgow Royal Infirmary, Alexandra Parade, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 128:EL26-31. 2010
    ....
  16. pmc Measuring the apparent width of auditory sources in normal and impaired hearing
    William M Whitmer
    Glasgow Royal Infirmary, G31 2ER, Glasgow, UK
    Adv Exp Med Biol 787:303-10. 2013
    ..We found that older hearing-impaired listeners had increased difficulty in judging changes in interaural coherence, showing a corresponding insensitivity to auditory source width in the visual-analogy tasks...
  17. doi request reprint Informational masking in young and elderly listeners for speech masked by simultaneous speech and noise
    Trevor R Agus
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Alexandra Parade, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 126:1926-40. 2009
    ..On the whole, these results suggest that young and elderly listeners were equally susceptible to informational masking...
  18. pmc Level discrimination of speech sounds by hearing-impaired individuals with and without hearing amplification
    William M Whitmer
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Glasgow, United Kingdom
    Ear Hear 32:391-8. 2011
    ..It was hypothesized that hearing aid compression should adversely affect the user's ability to judge level differences...
  19. pmc The internal representation of vowel spectra investigated using behavioral response-triggered averaging
    W Owen Brimijoin
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, 16 Alexandra Parade, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 133:EL118-22. 2013
    ..The success of this response-triggered technique suggests that it may prove useful for estimating other internal representations, including perceptual phenomena like tinnitus...
  20. pmc Apparent auditory source width insensitivity in older hearing-impaired individuals
    William M Whitmer
    MRC Institute of Hearing Research, Scottish Section, Glasgow Royal Infirmary, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 132:369-79. 2012
    ..The results from the visual tasks indicate that older HI individuals do not hear punctate images and are relatively insensitive to changes in width based on IC...
  21. pmc Auditory and visual orienting responses in listeners with and without hearing-impairment
    W Owen Brimijoin
    MRC Institute of Hearing, Research Scottish Section, Glasgow Royal Infirmary, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 127:3678-88. 2010
    ....
  22. ncbi request reprint Cortical representations of temporal structure in sound
    Deborah A Hall
    MRC Institute of Hearing Research, University Park, Nottingham, NG7 2RD, UK
    J Neurophysiol 94:3181-91. 2005
    ..In PT, the superadditive relationship between pitch and spatial width is also consistent with the concept that the auditory cortex plays an important role in integrating different classes of sound information to form auditory objects...
  23. doi request reprint Acoustic, psychophysical, and neuroimaging measurements of the effectiveness of active cancellation during auditory functional magnetic resonance imaging
    Deborah A Hall
    MRC Institute of Hearing Research, University Park, Nottingham, United Kingdom
    J Acoust Soc Am 125:347-59. 2009
    ..Cancellation also improved the statistical detection of sound-related cortical activation, especially for sounds presented at low intensities. These results confirm that ANC offers substantial benefits for fMRI research...
  24. pmc The effects of cueing temporal and spatial attention on word recognition in a complex listening task in hearing-impaired listeners
    Stuart Gatehouse
    MRC Institute of Hearing Research Scottish Regional Section, Glasgow, United Kingdom
    Trends Amplif 12:145-61. 2008
    ..The results demonstrate the difficulty of cueing attention to improve word recognition in a complex listening situation...
  25. ncbi request reprint Binaural specialisation in human auditory cortex: an fMRI investigation of interaural correlation sensitivity
    T W Budd
    MRC Institute of Hearing Research, University Park, Nottingham NG7 2RD, UK
    Neuroimage 20:1783-94. 2003
    ..This response pattern is qualitatively compatible with previous measures of psychophysical and neurophysiological sensitivity to IAC. extensively in neurophysiological studies in animals and in psychophysical studies in..
  26. pmc The speech intelligibility benefit of a unilateral wireless system for hearing-impaired adults
    William M Whitmer
    MRC Institute of Hearing Research Scottish Section, Glasgow, UK
    Int J Audiol 50:905-11. 2011
    ....
  27. doi request reprint Discrimination of release time constants in hearing-aid compressors
    Gaëtan Gilbert
    MRC Institute of Hearing Research, Glasgow Royal Infirmary, UK
    Int J Audiol 47:189-98. 2008
    ..This variability was not significantly related to hearing impairment nor to individuals' compression ratios...
  28. pmc The effect of hearing aid microphone mode on performance in an auditory orienting task
    W Owen Brimijoin
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Glasgow, Lanarkshire, United Kingdom
    Ear Hear 35:e204-12. 2014
    ..The authors hypothesized that listeners using directional microphones would have greater difficulty in rapidly and accurately orienting to off-axis signals than they would when using omnidirectional microphones...
  29. pmc The just-noticeable difference in speech-to-noise ratio
    David McShefferty
    MRC CSO Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Glasgow, UK
    Trends Hear 19:. 2015
    ..These results suggest that noise reduction schemes may need to achieve a benefit greater than 3 dB to be reliably discriminable. ..
  30. pmc On Detectable and Meaningful Speech-Intelligibility Benefits
    William M Whitmer
    MRC CSO Institute of Hearing Research Scottish Section, Glasgow, UK
    Adv Exp Med Biol 894:447-55. 2016
    ..The magnitude of the JNDs and JMDs for speech-intelligibility benefits measured here suggest a gap between what is achievable and what is meaningful...
  31. pmc The sensitivity of hearing-impaired adults to acoustic attributes in simulated rooms
    William M Whitmer
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, 16 Alexandra Parade, Glasgow, G31 2ER, UK
    Proc Meet Acoust 19:. 2013
    ....
  32. pmc The perception of apparent auditory source width in hearing-impaired adults
    William M Whitmer
    MRC CSO Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Glasgow, G31 2ER, United Kingdom
    J Acoust Soc Am 135:3548-59. 2014
    ..These results suggest that senescent changes to the auditory system do not necessarily lead to perceptions of broader, more diffuse sound images based on interaural coherence. ..
  33. ncbi request reprint Spectral and temporal processing in human auditory cortex
    Deborah A Hall
    MRC Institute of Hearing Research, University Park, Nottingham NG7 2RD, UK
    Cereb Cortex 12:140-9. 2002
    ..A focal site on the posterolateral STP showed an especially high response to the frequency-modulated harmonic tone. Our data highlight the involvement of both primary and lateral non-primary auditory regions...
  34. doi request reprint An analysis of the masking of speech by competing speech using self-report data
    Trevor R Agus
    MRC Institute of Hearing Research, Glasgow Royal Infirmary, Alexandra Parade, Glasgow, United Kingdom
    J Acoust Soc Am 125:23-6. 2009
    ..The results suggest significant masking by competing speech in everyday listening situations...
  35. pmc The Effects of Hearing Impairment, Age, and Hearing Aids on the Use of Self-Motion for Determining Front/Back Location
    W Owen Brimijoin
    MRC CSO Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Glasgow, UK
    J Am Acad Audiol 27:588-600. 2016
    ..The use of these cues can be compromised in listeners with hearing impairment and users of hearing aids...
  36. pmc A factor analysis of the SSQ (Speech, Spatial, and Qualities of Hearing Scale)
    Michael A Akeroyd
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Glasgow, UK
    Int J Audiol 53:101-14. 2014
    ..We report here a factor analysis of the SSQ that we conducted to further investigate its statistical properties and to determine its structure...
  37. pmc Proposed norms for the Glasgow hearing-aid benefit profile (Ghabp) questionnaire
    William M Whitmer
    MRC CSO Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, Glasgow, UK
    Int J Audiol 53:345-51. 2014
    ..To form a normative set of responses to the GHABP questionnaire from a large regional dataset...
  38. pmc The contribution of head movement to the externalization and internalization of sounds
    W Owen Brimijoin
    MRC Institute of Hearing Research Scottish Section, Glasgow, United Kingdom
    PLoS ONE 8:e83068. 2013
    ..The effects of head movement have not been systematically disentangled from reverberation and/or spectral cues, so we measured the degree to which movements contribute to externalization...
  39. pmc The role of head movements and signal spectrum in an auditory front/back illusion
    W Owen Brimijoin
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, 16 Alexandra Parade, Glasgow G31 2ER, UK Email
    Iperception 3:179-82. 2012
    ..The signals with the most high frequency energy were often associated with an unstable location percept that flickered from front to back as self-motion cues and spectral cues for location came into conflict with one another...