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- Publisher Website: 10.1016/j.neuropsychologia.2018.10.028
- Scopus: eid_2-s2.0-85056149132
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Article: Induced Gamma Oscillations Index Individual Differences In Speech Sound Perception And Production
Title | Induced Gamma Oscillations Index Individual Differences In Speech Sound Perception And Production |
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Authors | |
Keywords | EEG Individual differences Induced gamma oscillations Neural oscillations Speech perception |
Issue Date | 2018 |
Publisher | Pergamon. The Journal's web site is located at http://www.elsevier.com/locate/neuropsychologia |
Citation | Neuropsychologia, 2018, v. 121, p. 28-36 How to Cite? |
Abstract | Auditory neuroscience has provided strong evidence that neural oscillations synchronize to the rhythm of speech stimuli, and oscillations at different frequencies have been linked to processing of different language structures. The present study aims to examine how these ubiquitous neurophysiological attributes may inform us about the brain processes that underpin individual differences in speech perception and production, which in turn elucidate the specific functions of neural oscillations in the domain of speech processing. To this end, we recorded electrophysiological responses to a lexical tone contrast in a passive auditory oddball paradigm from two groups of healthy tone-language speakers who were equal in perceptual discriminability but differed in response latency and production distinctiveness of the tone contrast. Time-frequency analysis was applied to the EEG data, and decomposed into theta (4–7 Hz), beta (12–30 Hz), and gamma (30–50 Hz) frequency bands. Results show that listeners with longer discrimination RT and less distinctive production showed significantly higher induced (nonphase- locked) gamma during tone processing. Moreover, among speakers with less distinctive production, individual differences in induced gamma were significantly correlated with discrimination latency and production distinction. Based on the present findings, we propose that differences in gamma oscillations reflect differential sensory/perceptual computations during acoustic encoding, impacting the quality of perceptual representations, which further mediates individual differences in speech perception and production. |
Persistent Identifier | http://hdl.handle.net/10722/274434 |
ISSN | 2023 Impact Factor: 2.0 2023 SCImago Journal Rankings: 0.956 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Ou, J | - |
dc.contributor.author | Law, SP | - |
dc.date.accessioned | 2019-08-18T15:01:38Z | - |
dc.date.available | 2019-08-18T15:01:38Z | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Neuropsychologia, 2018, v. 121, p. 28-36 | - |
dc.identifier.issn | 0028-3932 | - |
dc.identifier.uri | http://hdl.handle.net/10722/274434 | - |
dc.description.abstract | Auditory neuroscience has provided strong evidence that neural oscillations synchronize to the rhythm of speech stimuli, and oscillations at different frequencies have been linked to processing of different language structures. The present study aims to examine how these ubiquitous neurophysiological attributes may inform us about the brain processes that underpin individual differences in speech perception and production, which in turn elucidate the specific functions of neural oscillations in the domain of speech processing. To this end, we recorded electrophysiological responses to a lexical tone contrast in a passive auditory oddball paradigm from two groups of healthy tone-language speakers who were equal in perceptual discriminability but differed in response latency and production distinctiveness of the tone contrast. Time-frequency analysis was applied to the EEG data, and decomposed into theta (4–7 Hz), beta (12–30 Hz), and gamma (30–50 Hz) frequency bands. Results show that listeners with longer discrimination RT and less distinctive production showed significantly higher induced (nonphase- locked) gamma during tone processing. Moreover, among speakers with less distinctive production, individual differences in induced gamma were significantly correlated with discrimination latency and production distinction. Based on the present findings, we propose that differences in gamma oscillations reflect differential sensory/perceptual computations during acoustic encoding, impacting the quality of perceptual representations, which further mediates individual differences in speech perception and production. | - |
dc.language | eng | - |
dc.publisher | Pergamon. The Journal's web site is located at http://www.elsevier.com/locate/neuropsychologia | - |
dc.relation.ispartof | Neuropsychologia | - |
dc.subject | EEG | - |
dc.subject | Individual differences | - |
dc.subject | Induced gamma oscillations | - |
dc.subject | Neural oscillations | - |
dc.subject | Speech perception | - |
dc.title | Induced Gamma Oscillations Index Individual Differences In Speech Sound Perception And Production | - |
dc.type | Article | - |
dc.identifier.email | Law, SP: splaw@hku.hk | - |
dc.identifier.authority | Law, SP=rp00920 | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.neuropsychologia.2018.10.028 | - |
dc.identifier.scopus | eid_2-s2.0-85056149132 | - |
dc.identifier.hkuros | 301802 | - |
dc.identifier.volume | 121 | - |
dc.identifier.spage | 28 | - |
dc.identifier.epage | 36 | - |
dc.identifier.isi | WOS:000460855700004 | - |
dc.publisher.place | United Kingdom | - |
dc.identifier.issnl | 0028-3932 | - |