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Comparison between NRT-based MAPs and behaviourally measured MAPs at different stimulation rates – a multicentre investigation

Comparison between NRT-based MAPs and behaviourally measured MAPs at different stimulation rates – a multicentre investigation
Comparison between NRT-based MAPs and behaviourally measured MAPs at different stimulation rates – a multicentre investigation
Seventeen adult subjects participated in a multicentre trial to compare the performance between an NRT-based MAP and their behavioural MAP. The NRT-based MAP was made using a correction factor to predict T/C levels, calculated from the difference between the ECAP threshold ('T-NRT') and the measured T/C levels at electrode 10, as described by Brown et al. (2000). A secondary aim was to compare T/C levels in behavioural MAPs at different stimulation rates with the predicted T/C levels in NRT-based MAPs. Performance with both MAPs was evaluated using CNC words and sentences. Variations in the T/C levels between all MAPs were found, although results of the speech discrimination tests demonstrated no statistically significant difference between behavioural and NRT-based MAPs.
COCHLEAR IMPLANT, NEURAL RESPONSE TELEMETRY NRT, PREDICTION OF, MAP LEVELS, SPEECH DISCRIMINATION
1467-0100
161-170
Craddock, L.
4a465daa-acd0-41b1-a291-535e5addd338
Cooper, H.
b0ff1004-2e90-47c6-bc82-72fc903ac69e
van de Heyning, P.
74c9edb2-5968-4f12-b1af-db15aad9f1bd
Vermeire, K.
75a2c05e-2152-45dc-9faa-024a136be180
Davies, M.
ad39b2b8-121a-49ee-8e4a-daf601ba7fe6
Patel, J.
f2ad7e18-bba0-4432-9d92-203cb5d55ca7
Cullington, H.E.
a8b72e6d-2788-406d-aefe-d7f34ee6e10e
Ricaud, R.
208e7bb6-8e40-4da4-97b8-8c3699e3c01d
Brunelli, T.
942cb551-86ce-4c4f-8da3-12cbd0a0c889
Knight, M.
57a45154-c5e4-40ea-8187-031cc55f94cd
Plant, K.
d656f6e6-3e5d-48c9-8216-79a87777faba
Cafarelli Dees, D.
cbea3cec-b497-4abe-b946-086de321f2fb
Murray, B.
24b68f1c-33ce-41f5-aa6a-c8900f62e213
Craddock, L.
4a465daa-acd0-41b1-a291-535e5addd338
Cooper, H.
b0ff1004-2e90-47c6-bc82-72fc903ac69e
van de Heyning, P.
74c9edb2-5968-4f12-b1af-db15aad9f1bd
Vermeire, K.
75a2c05e-2152-45dc-9faa-024a136be180
Davies, M.
ad39b2b8-121a-49ee-8e4a-daf601ba7fe6
Patel, J.
f2ad7e18-bba0-4432-9d92-203cb5d55ca7
Cullington, H.E.
a8b72e6d-2788-406d-aefe-d7f34ee6e10e
Ricaud, R.
208e7bb6-8e40-4da4-97b8-8c3699e3c01d
Brunelli, T.
942cb551-86ce-4c4f-8da3-12cbd0a0c889
Knight, M.
57a45154-c5e4-40ea-8187-031cc55f94cd
Plant, K.
d656f6e6-3e5d-48c9-8216-79a87777faba
Cafarelli Dees, D.
cbea3cec-b497-4abe-b946-086de321f2fb
Murray, B.
24b68f1c-33ce-41f5-aa6a-c8900f62e213

Craddock, L., Cooper, H., van de Heyning, P., Vermeire, K., Davies, M., Patel, J., Cullington, H.E., Ricaud, R., Brunelli, T., Knight, M., Plant, K., Cafarelli Dees, D. and Murray, B. (2003) Comparison between NRT-based MAPs and behaviourally measured MAPs at different stimulation rates – a multicentre investigation. Cochlear Implants International, 4 (4), 161-170. (doi:10.1002/cii.78).

Record type: Article

Abstract

Seventeen adult subjects participated in a multicentre trial to compare the performance between an NRT-based MAP and their behavioural MAP. The NRT-based MAP was made using a correction factor to predict T/C levels, calculated from the difference between the ECAP threshold ('T-NRT') and the measured T/C levels at electrode 10, as described by Brown et al. (2000). A secondary aim was to compare T/C levels in behavioural MAPs at different stimulation rates with the predicted T/C levels in NRT-based MAPs. Performance with both MAPs was evaluated using CNC words and sentences. Variations in the T/C levels between all MAPs were found, although results of the speech discrimination tests demonstrated no statistically significant difference between behavioural and NRT-based MAPs.

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More information

Published date: 2003
Keywords: COCHLEAR IMPLANT, NEURAL RESPONSE TELEMETRY NRT, PREDICTION OF, MAP LEVELS, SPEECH DISCRIMINATION
Organisations: Human Sciences Group

Identifiers

Local EPrints ID: 360125
URI: http://eprints.soton.ac.uk/id/eprint/360125
ISSN: 1467-0100
PURE UUID: 6eaf1189-bdb2-4b1b-9aaf-2c94758adb41
ORCID for H.E. Cullington: ORCID iD orcid.org/0000-0002-5093-2020

Catalogue record

Date deposited: 26 Nov 2013 16:17
Last modified: 08 Jan 2022 03:06

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Contributors

Author: L. Craddock
Author: H. Cooper
Author: P. van de Heyning
Author: K. Vermeire
Author: M. Davies
Author: J. Patel
Author: H.E. Cullington ORCID iD
Author: R. Ricaud
Author: T. Brunelli
Author: M. Knight
Author: K. Plant
Author: D. Cafarelli Dees
Author: B. Murray

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