Neural tracking of attended versus ignored speech is differentially affected by hearing loss

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Borch Petersen, ElineLinköpings universitet,Medicinska fakulteten,Institutet för handikappvetenskap (IHV),Avdelningen för Logopedi, Audiologi och Otorhinolaryngologi,Eriksholm Research Centre,Technical Audiology (författare)

Neural tracking of attended versus ignored speech is differentially affected by hearing loss

Artikel/kapitelEngelska2017

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American Physiological Society,2017
electronicrdacarrier

Nummerbeteckningar

LIBRIS-ID:oai:DiVA.org:liu-133644
https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-133644URI
https://doi.org/10.1152/jn.00527.2016DOI

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Språk:engelska
Sammanfattning på:engelska

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Funding agencies: European Research Council (ERC) Consolidator Grant; Volkswagen foundation
Hearing loss manifests as a reduced ability to understand speech, particularly in multitalker situations. In these situations, younger normal-hearing listeners' brains are known to track attended speech through phase-locking of neural activity to the slow-varying envelope of the speech. This study investigates how hearing loss, compensated by hearing aids, affects the neural tracking of the speech-onset envelope in elderly participants with varying degree of hearing loss (n = 27, 62–86 yr; hearing thresholds 11–73 dB hearing level). In an active listening task, a to-be-attended audiobook (signal) was presented either in quiet or against a competing to-be-ignored audiobook (noise) presented at three individualized signal-to-noise ratios (SNRs). The neural tracking of the to-be-attended and to-be-ignored speech was quantified through the cross-correlation of the electroencephalogram (EEG) and the temporal envelope of speech. We primarily investigated the effects of hearing loss and SNR on the neural envelope tracking. First, we found that elderly hearing-impaired listeners' neural responses reliably track the envelope of to-be-attended speech more than to-be-ignored speech. Second, hearing loss relates to the neural tracking of to-be-ignored speech, resulting in a weaker differential neural tracking of to-be-attended vs. to-be-ignored speech in listeners with worse hearing. Third, neural tracking of to-be-attended speech increased with decreasing background noise. Critically, the beneficial effect of reduced noise on neural speech tracking decreased with stronger hearing loss. In sum, our results show that a common sensorineural processing deficit, i.e., hearing loss, interacts with central attention mechanisms and reduces the differential tracking of attended and ignored speech.

Ämnesord och genrebeteckningar

MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Neurovetenskaper hsv//swe
MEDICAL AND HEALTH SCIENCES Basic Medicine Neurosciences hsv//eng
hearing loss
neural tracking
attention
speech-onset envelope
electroencephalography
cross-correlation

Biuppslag (personer, institutioner, konferenser, titlar ...)

Wöstmann, MalteDepartment of Psychology, University of Lübeck, Lübeck, Germany (författare)
Obleser, JonasDepartment of Psychology, University of Lübeck, Lübeck, Germany (författare)
Lunner, Thomas,1965-Linköpings universitet,Avdelningen för Logopedi, Audiologi och Otorhinolaryngologi,Medicinska fakulteten,Institutet för handikappvetenskap (IHV),Eriksholm Research Centre, Snekkersten, Denmark(Swepub:liu)tholu94 (författare)
Linköpings universitetMedicinska fakulteten (creator_code:org_t)

Sammanhörande titlar

Ingår i:Journal of Neurophysiology: American Physiological Society117:1, s. 18-270022-30771522-1598

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Av författaren/redakt...: Borch Petersen, ...; Wöstmann, Malte; Obleser, Jonas; Lunner, Thomas, ...

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MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Medicinska och f ...; och Neurovetenskaper

Artiklar i publikationen: Journal of Neuro ...

Av lärosätet: Linköpings universitet

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