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Differences between psychoacoustic and frequency following response measures of distortion tone level and masking

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Differences between psychoacoustic and frequency following response measures of distortion tone level and masking. / Gockel, Hedwig E.; Farooq, Redwan; Muhammed, Louwai et al.
In: Journal of the Acoustical Society of America, Vol. 132, No. 4, 10.2012, p. 2524-2535.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Gockel, HE, Farooq, R, Muhammed, L, Plack, CJ & Carlyon, RP 2012, 'Differences between psychoacoustic and frequency following response measures of distortion tone level and masking', Journal of the Acoustical Society of America, vol. 132, no. 4, pp. 2524-2535. https://doi.org/10.1121/1.4751541

APA

Gockel, H. E., Farooq, R., Muhammed, L., Plack, C. J., & Carlyon, R. P. (2012). Differences between psychoacoustic and frequency following response measures of distortion tone level and masking. Journal of the Acoustical Society of America, 132(4), 2524-2535. https://doi.org/10.1121/1.4751541

Vancouver

Gockel HE, Farooq R, Muhammed L, Plack CJ, Carlyon RP. Differences between psychoacoustic and frequency following response measures of distortion tone level and masking. Journal of the Acoustical Society of America. 2012 Oct;132(4):2524-2535. doi: 10.1121/1.4751541

Author

Gockel, Hedwig E. ; Farooq, Redwan ; Muhammed, Louwai et al. / Differences between psychoacoustic and frequency following response measures of distortion tone level and masking. In: Journal of the Acoustical Society of America. 2012 ; Vol. 132, No. 4. pp. 2524-2535.

Bibtex

@article{52585ca8cac946ae9ae7e9093e4650ac,
title = "Differences between psychoacoustic and frequency following response measures of distortion tone level and masking",
abstract = "The scalp-recorded frequency following response (FFR) in humans was measured for a 244-Hz pure tone at a range of input levels and for complex tones containing harmonics 2-4 of a 300-Hz fundamental, but shifted by +/- 56 Hz. The effective magnitude of the cubic difference tone (CDT) and the quadratic difference tone (QDT, at F-2-F-1) in the FFR for the complex was estimated by comparing the magnitude spectrum of the FFR at the distortion product (DP) frequency with that for the pure tone. The effective DP levels in the FFR were higher than those commonly estimated in psychophysical experiments, indicating contributions to the DP in the FFR in addition to the audible propagated component. A low-frequency narrowband noise masker reduced the magnitude of FFR responses to the CDT but also to primary components over a wide range of frequencies. The results indicate that audible DPs may contribute very little to the DPs observed in the FFR and that using a narrowband noise for the purpose of masking audible DPs can have undesired effects on the FFR over a wide frequency range. The results are consistent with the notion that broadly tuned mechanisms central to the auditory nerve strongly influence the FFR.",
keywords = "VENTRAL COCHLEAR NUCLEUS, COMPLEX TONES, BRAIN-STEM, COMBINATION TONES, FUNDAMENTAL-FREQUENCY, PITCH PERCEPTION, RIPPLED-NOISE, PRODUCTS, STIMULI, 2-TONE",
author = "Gockel, {Hedwig E.} and Redwan Farooq and Louwai Muhammed and Plack, {Christopher J.} and Carlyon, {Robert P.}",
year = "2012",
month = oct,
doi = "10.1121/1.4751541",
language = "English",
volume = "132",
pages = "2524--2535",
journal = "Journal of the Acoustical Society of America",
issn = "0001-4966",
publisher = "Acoustical Society of America",
number = "4",

}

RIS

TY - JOUR

T1 - Differences between psychoacoustic and frequency following response measures of distortion tone level and masking

AU - Gockel, Hedwig E.

AU - Farooq, Redwan

AU - Muhammed, Louwai

AU - Plack, Christopher J.

AU - Carlyon, Robert P.

PY - 2012/10

Y1 - 2012/10

N2 - The scalp-recorded frequency following response (FFR) in humans was measured for a 244-Hz pure tone at a range of input levels and for complex tones containing harmonics 2-4 of a 300-Hz fundamental, but shifted by +/- 56 Hz. The effective magnitude of the cubic difference tone (CDT) and the quadratic difference tone (QDT, at F-2-F-1) in the FFR for the complex was estimated by comparing the magnitude spectrum of the FFR at the distortion product (DP) frequency with that for the pure tone. The effective DP levels in the FFR were higher than those commonly estimated in psychophysical experiments, indicating contributions to the DP in the FFR in addition to the audible propagated component. A low-frequency narrowband noise masker reduced the magnitude of FFR responses to the CDT but also to primary components over a wide range of frequencies. The results indicate that audible DPs may contribute very little to the DPs observed in the FFR and that using a narrowband noise for the purpose of masking audible DPs can have undesired effects on the FFR over a wide frequency range. The results are consistent with the notion that broadly tuned mechanisms central to the auditory nerve strongly influence the FFR.

AB - The scalp-recorded frequency following response (FFR) in humans was measured for a 244-Hz pure tone at a range of input levels and for complex tones containing harmonics 2-4 of a 300-Hz fundamental, but shifted by +/- 56 Hz. The effective magnitude of the cubic difference tone (CDT) and the quadratic difference tone (QDT, at F-2-F-1) in the FFR for the complex was estimated by comparing the magnitude spectrum of the FFR at the distortion product (DP) frequency with that for the pure tone. The effective DP levels in the FFR were higher than those commonly estimated in psychophysical experiments, indicating contributions to the DP in the FFR in addition to the audible propagated component. A low-frequency narrowband noise masker reduced the magnitude of FFR responses to the CDT but also to primary components over a wide range of frequencies. The results indicate that audible DPs may contribute very little to the DPs observed in the FFR and that using a narrowband noise for the purpose of masking audible DPs can have undesired effects on the FFR over a wide frequency range. The results are consistent with the notion that broadly tuned mechanisms central to the auditory nerve strongly influence the FFR.

KW - VENTRAL COCHLEAR NUCLEUS

KW - COMPLEX TONES

KW - BRAIN-STEM

KW - COMBINATION TONES

KW - FUNDAMENTAL-FREQUENCY

KW - PITCH PERCEPTION

KW - RIPPLED-NOISE

KW - PRODUCTS

KW - STIMULI

KW - 2-TONE

U2 - 10.1121/1.4751541

DO - 10.1121/1.4751541

M3 - Journal article

VL - 132

SP - 2524

EP - 2535

JO - Journal of the Acoustical Society of America

JF - Journal of the Acoustical Society of America

SN - 0001-4966

IS - 4

ER -