Use of an Extra-Tympanic Membrane Electrode to Record Cochlear Microphonics with Click, Tone Burst and Chirp Stimuli
This study determined electrocochleography (ECochG) parameter settings to obtain cochlear microphonics (CM) with less invasive flexible extra-tympanic membrane electrodes. In 24 adult normal-hearing subjects, CMs were elicited by presenting click stimuli at 100 dBnHL, tone bursts (2 kHz) and broadba...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-03-01
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| Series: | Audiology Research |
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| Online Access: | https://www.mdpi.com/2039-4349/11/1/10 |
| _version_ | 1797416759801675776 |
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| author | Laura M. Coraci Andy J. Beynon |
| author_facet | Laura M. Coraci Andy J. Beynon |
| author_sort | Laura M. Coraci |
| collection | DOAJ |
| description | This study determined electrocochleography (ECochG) parameter settings to obtain cochlear microphonics (CM) with less invasive flexible extra-tympanic membrane electrodes. In 24 adult normal-hearing subjects, CMs were elicited by presenting click stimuli at 100 dBnHL, tone bursts (2 kHz) and broadband (BB) CE-chirps<sup>®</sup> LS (Interacoustics, Middelfart, Denmark), both at 80 dBnHL. Different high-pass filters (HPFs) (3.3 Hz and 100 Hz, respectively) were used to investigate response quality of the CM. CMs were successfully obtained in 92–100% with click-, 75–83% with 2 kHz tone burst- and 58–63% with CE-chirp<sup>®</sup>-LS stimuli. Click stimuli elicited significantly larger CM amplitudes compared to 2 kHz tone bursts and BB CE-chirp<sup>®</sup> LS (Interacoustics, Middelfart, Denmark). No significant differences were found between the two different high-pass filter (HPF) settings. The present study shows that it is possible to obtain clear CMs with the flexible extra-tympanic membrane electrodes using click stimuli. In contrast to 2 kHz tone bursts and CE-chirp<sup>®</sup> (Interacoustics, Middelfart, Denmark) LS, clicks show a significantly higher success rate and are the preferred stimuli to confirm the presence or absence of CMs. |
| first_indexed | 2024-03-09T06:08:51Z |
| format | Article |
| id | doaj.art-e36feccf2fbb4a3da59b67d13bb1f54a |
| institution | Directory Open Access Journal |
| issn | 2039-4349 |
| language | English |
| last_indexed | 2024-03-09T06:08:51Z |
| publishDate | 2021-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Audiology Research |
| spelling | doaj.art-e36feccf2fbb4a3da59b67d13bb1f54a2023-12-03T12:01:44ZengMDPI AGAudiology Research2039-43492021-03-01111899910.3390/audiolres11010010Use of an Extra-Tympanic Membrane Electrode to Record Cochlear Microphonics with Click, Tone Burst and Chirp StimuliLaura M. Coraci0Andy J. Beynon1Vestibular & Auditory EP Lab—Department Otorhinolaryngology, Radboud University Medical Center, Ph. Van Leijdenlaan 15, 6525EX Nijmegen, The NetherlandsVestibular & Auditory EP Lab—Department Otorhinolaryngology, Radboud University Medical Center, Ph. Van Leijdenlaan 15, 6525EX Nijmegen, The NetherlandsThis study determined electrocochleography (ECochG) parameter settings to obtain cochlear microphonics (CM) with less invasive flexible extra-tympanic membrane electrodes. In 24 adult normal-hearing subjects, CMs were elicited by presenting click stimuli at 100 dBnHL, tone bursts (2 kHz) and broadband (BB) CE-chirps<sup>®</sup> LS (Interacoustics, Middelfart, Denmark), both at 80 dBnHL. Different high-pass filters (HPFs) (3.3 Hz and 100 Hz, respectively) were used to investigate response quality of the CM. CMs were successfully obtained in 92–100% with click-, 75–83% with 2 kHz tone burst- and 58–63% with CE-chirp<sup>®</sup>-LS stimuli. Click stimuli elicited significantly larger CM amplitudes compared to 2 kHz tone bursts and BB CE-chirp<sup>®</sup> LS (Interacoustics, Middelfart, Denmark). No significant differences were found between the two different high-pass filter (HPF) settings. The present study shows that it is possible to obtain clear CMs with the flexible extra-tympanic membrane electrodes using click stimuli. In contrast to 2 kHz tone bursts and CE-chirp<sup>®</sup> (Interacoustics, Middelfart, Denmark) LS, clicks show a significantly higher success rate and are the preferred stimuli to confirm the presence or absence of CMs.https://www.mdpi.com/2039-4349/11/1/10electrocochleographycochlear microphonictympanic membrane electrodeauditory evoked potentials |
| spellingShingle | Laura M. Coraci Andy J. Beynon Use of an Extra-Tympanic Membrane Electrode to Record Cochlear Microphonics with Click, Tone Burst and Chirp Stimuli Audiology Research electrocochleography cochlear microphonic tympanic membrane electrode auditory evoked potentials |
| title | Use of an Extra-Tympanic Membrane Electrode to Record Cochlear Microphonics with Click, Tone Burst and Chirp Stimuli |
| title_full | Use of an Extra-Tympanic Membrane Electrode to Record Cochlear Microphonics with Click, Tone Burst and Chirp Stimuli |
| title_fullStr | Use of an Extra-Tympanic Membrane Electrode to Record Cochlear Microphonics with Click, Tone Burst and Chirp Stimuli |
| title_full_unstemmed | Use of an Extra-Tympanic Membrane Electrode to Record Cochlear Microphonics with Click, Tone Burst and Chirp Stimuli |
| title_short | Use of an Extra-Tympanic Membrane Electrode to Record Cochlear Microphonics with Click, Tone Burst and Chirp Stimuli |
| title_sort | use of an extra tympanic membrane electrode to record cochlear microphonics with click tone burst and chirp stimuli |
| topic | electrocochleography cochlear microphonic tympanic membrane electrode auditory evoked potentials |
| url | https://www.mdpi.com/2039-4349/11/1/10 |
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