Acoustic and electric forward-masking of the auditory nerve compound action potential : evidence for linearity of electro-mechanical transduction
We investigated electro-mechanical transduction within the cochlea by comparing masking of the auditory nerve compound action potential (CAP) by acoustical and electrical maskers. Forward-masking of the CAP reflects the response to the masker of the cochlear location tuned to the probe. Electrical stimulation was delivered through bipolar stimulating electrodes within the basal turn of the scala tympani. The growth of masking of high-frequency probes which excite cochlear locations close to the stimulating electrodes was similar for both acoustic and electrical maskers, suggesting a linear transduction of electrical energy to mechanical energy. Exposure to intense acoustic stimulation caused an equal loss of sensitivity to acoustic and electrical maskers. Masking of lower-frequency probes by electrical maskers increased rapidly with masker current, suggesting the direct electrical stimulation of neural elements. This masking was reduced by the administration of strychnine suggesting a contribution by the efferents towards masking of these low-frequency probes.
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
1997 |
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| Erschienen: |
1997 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:106 |
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| Enthalten in: |
Hearing research - 106(1997), 1-2 vom: 01. Apr., Seite 137-45 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
McAnally, K I [VerfasserIn] |
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| Themen: |
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| Anmerkungen: |
Date Completed 03.07.1997 Date Revised 09.03.2022 published: Print Citation Status MEDLINE |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM090681460 |
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| 100 | 1 | |a McAnally, K I |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Acoustic and electric forward-masking of the auditory nerve compound action potential |b evidence for linearity of electro-mechanical transduction |
| 264 | 1 | |c 1997 | |
| 336 | |a Text |b txt |2 rdacontent | ||
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| 500 | |a Date Completed 03.07.1997 | ||
| 500 | |a Date Revised 09.03.2022 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a We investigated electro-mechanical transduction within the cochlea by comparing masking of the auditory nerve compound action potential (CAP) by acoustical and electrical maskers. Forward-masking of the CAP reflects the response to the masker of the cochlear location tuned to the probe. Electrical stimulation was delivered through bipolar stimulating electrodes within the basal turn of the scala tympani. The growth of masking of high-frequency probes which excite cochlear locations close to the stimulating electrodes was similar for both acoustic and electrical maskers, suggesting a linear transduction of electrical energy to mechanical energy. Exposure to intense acoustic stimulation caused an equal loss of sensitivity to acoustic and electrical maskers. Masking of lower-frequency probes by electrical maskers increased rapidly with masker current, suggesting the direct electrical stimulation of neural elements. This masking was reduced by the administration of strychnine suggesting a contribution by the efferents towards masking of these low-frequency probes | ||
| 650 | 4 | |a Comparative Study | |
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Brown, M |e verfasserin |4 aut | |
| 700 | 1 | |a Clark, G M |e verfasserin |4 aut | |
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