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Exploration of inter-individual variability in cortical responses to natural English sentences

Exploration of inter-individual variability in cortical responses to natural English sentences
Exploration of inter-individual variability in cortical responses to natural English sentences
Objectives Grand average cortical responses to speech have shown the possibility to analyse perceived intelligibility. Cortical responses to sentences are explored to determine their variability amongst subjects and therefore their applicability in clinic. Methods EEG responses to 100 repeats of three English sentences were recorded for 16 subjects with normal hearing thresholds. Responses were detected using a Hotelling’s T2 test on 100 ms low-pass filtered (30 Hz) segments (two 50 ms features per segment). Results Participants showed a clear response at segments including the stimulus onset (p<0.01). Later segments showed strong variability in detection between participants, with less significant responses and more repeats needed compared to onset detection. Conclusion Onset responses to natural sentences can be detected within 100 repeats (100 s), which is relevant for clinical use. The possibility of detecting robust responses beyond the onset at an individual level need to be further investigated.
Vanheusden, Frederique
c3022456-907d-4dfa-b537-b3fbc119d76b
Bell, Steven
91de0801-d2b7-44ba-8e8e-523e672aed8a
Chesnaye, Michael, Alexander
b85ee54c-919b-4563-bb91-b589b8110557
Simpson, David
53674880-f381-4cc9-8505-6a97eeac3c2a
Vanheusden, Frederique
c3022456-907d-4dfa-b537-b3fbc119d76b
Bell, Steven
91de0801-d2b7-44ba-8e8e-523e672aed8a
Chesnaye, Michael, Alexander
b85ee54c-919b-4563-bb91-b589b8110557
Simpson, David
53674880-f381-4cc9-8505-6a97eeac3c2a

Vanheusden, Frederique, Bell, Steven, Chesnaye, Michael, Alexander and Simpson, David (2017) Exploration of inter-individual variability in cortical responses to natural English sentences. XXV International Evoked Response Audiometry Study Group Biennial Symposium, Institute of Physiology and Pathology of Hearing, Warsaw, Poland. 21 - 25 May 2017. (In Press)

Record type: Conference or Workshop Item (Other)

Abstract

Objectives Grand average cortical responses to speech have shown the possibility to analyse perceived intelligibility. Cortical responses to sentences are explored to determine their variability amongst subjects and therefore their applicability in clinic. Methods EEG responses to 100 repeats of three English sentences were recorded for 16 subjects with normal hearing thresholds. Responses were detected using a Hotelling’s T2 test on 100 ms low-pass filtered (30 Hz) segments (two 50 ms features per segment). Results Participants showed a clear response at segments including the stimulus onset (p<0.01). Later segments showed strong variability in detection between participants, with less significant responses and more repeats needed compared to onset detection. Conclusion Onset responses to natural sentences can be detected within 100 repeats (100 s), which is relevant for clinical use. The possibility of detecting robust responses beyond the onset at an individual level need to be further investigated.

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Exploration of inter-individual variability
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Accepted/In Press date: 28 April 2017
Venue - Dates: XXV International Evoked Response Audiometry Study Group Biennial Symposium, Institute of Physiology and Pathology of Hearing, Warsaw, Poland, 2017-05-21 - 2017-05-25
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Identifiers

Local EPrints ID: 412420
URI: http://eprints.soton.ac.uk/id/eprint/412420
PURE UUID: 99848bc2-9e02-44e9-9e5a-26adfde7739f
ORCID for Frederique Vanheusden: ORCID iD orcid.org/0000-0003-2369-6189
ORCID for David Simpson: ORCID iD orcid.org/0000-0001-9072-5088

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Date deposited: 17 Jul 2017 13:41
Last modified: 14 Mar 2024 02:47

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Contributors

Author: Frederique Vanheusden ORCID iD
Author: Steven Bell
Author: Michael, Alexander Chesnaye
Author: David Simpson ORCID iD

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