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Evoked-Response Tone-on-Tone Masking in the Chinchilla: Effect of Masker Frequency
| Content Provider | Scilit |
|---|---|
| Author | Subramaniam, Malini Salvi, Richard J. Saunders, Samuel S. Boettcher, Flint A. |
| Copyright Year | 1990 |
| Description | Journal: International Journal of Audiology Tone-on-tone masking patterns were measured at 0.5, 1, and 4 kHz using the auditory-evoked response from the inferior colliculus of the chinchilla. Masking profiles obtained with a masking level of 30 dB SPL were relatively symmetrical; however, as masker level increased, masking spread toward the high frequencies, particularly with the 0.5-kHz masker. For masker frequencies of 1 and 4 kHz, a low-threshold notch was observed in the masking profile 2/3 of an octave above the frequency of the masker. The low-threshold notch may represent a response to the distortion tone $2F_{1}-F_{2}$. The notch was absent in the 0.5-kHz masking profile. The masking profiles obtained with the evoked response are somewhat wider, but otherwise qualitatively similar to those measured psychophysically in humans. Thus, the evoked-response procedure may provide a convenient way of evaluating the spread of masking and the presence of distortion tones in difficult-to-test subjects. |
| Related Links | https://www.tandfonline.com/doi/pdf/10.3109/00206099009072851 |
| Ending Page | 211 |
| Page Count | 10 |
| Starting Page | 202 |
| ISSN | 14992027 |
| e-ISSN | 17088186 |
| DOI | 10.3109/00206099009072851 |
| Journal | International Journal of Audiology |
| Issue Number | 4 |
| Volume Number | 29 |
| Language | English |
| Publisher | Informa UK Limited |
| Publisher Date | 1990-01-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: International Journal of Audiology Acoustics and Ultrasonics Auditory-evoked Potentials Auditory Masking Frequency Selectivity Inferior Colliculus |
| Content Type | Text |
| Subject | Speech and Hearing Linguistics and Language |
