Octave Etard

ORCID: 0000-0002-6287-602X
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About
Contact & Profiles
Research Areas
  • EEG and Brain-Computer Interfaces
  • Hearing Loss and Rehabilitation
  • Neural dynamics and brain function
  • Neuroscience and Music Perception
  • Neural Networks and Applications
  • Traumatic Brain Injury and Neurovascular Disturbances
  • Hemodynamic Monitoring and Therapy
  • Optical Imaging and Spectroscopy Techniques
  • Horticultural and Viticultural Research
  • Hearing, Cochlea, Tinnitus, Genetics
  • Cardiovascular Health and Disease Prevention
  • Greenhouse Technology and Climate Control
  • Advanced Memory and Neural Computing
  • Blind Source Separation Techniques
  • Non-Invasive Vital Sign Monitoring
  • Plant Water Relations and Carbon Dynamics
  • MRI in cancer diagnosis

Imperial College London
2017-2022

London Centre for Nanotechnology
2017

École Centrale Paris
2014

Humans excel at understanding speech even in adverse conditions such as background noise. Speech processing may be aided by cortical activity the delta and theta frequency bands, which have been found to track envelope. However, rhythm of non-speech sounds is tracked well. It therefore remains unclear aspects neural tracking represent acoustic features, related clarity speech, reflect higher-level linguistic comprehension. Here we disambiguate roles for comprehension through recording EEG...

10.1523/jneurosci.1828-18.2019 article EN cc-by Journal of Neuroscience 2019-05-20

Humans excel at selectively listening to a target speaker in background noise such as competing voices. While the encoding of speech auditory cortex is modulated by selective attention, it remains debated whether modulation occurs already subcortical structures. Investigating contribution human brainstem attention has, particular, been hindered tiny amplitude response. Its measurement normally requires large number repetitions same short sound stimuli, which may lead loss and neural...

10.7554/elife.27203 article EN cc-by eLife 2017-09-27

Humans are highly skilled at analysing complex acoustic scenes. The segregation of different streams and the formation corresponding neural representations is mostly attributed to auditory cortex. Decoding selective attention from neuroimaging has therefore focussed on cortical responses sound. However, brainstem response speech modulated by as well, recently shown through measuring brainstem's running speech. Although a smaller magnitude than that cortex, it occurs much higher frequencies...

10.1016/j.neuroimage.2019.06.029 article EN cc-by NeuroImage 2019-06-15

Abstract Speech and music are spectrotemporally complex acoustic signals that highly relevant for humans. Both contain a temporal fine structure is encoded in the neural responses of subcortical cortical processing centers. The response to speech has recently been shown be modulated by selective attention one two competing voices. Music similarly often consists several simultaneous melodic lines, listener can selectively attend particular at time. However, mechanisms enable such remain...

10.1162/jocn_a_01811 article EN Journal of Cognitive Neuroscience 2022-01-11

Abstract Humans excel at selectively listening to a target speaker in background noise such as competing voices. While the encoding of speech auditory cortex is modulated by selective attention, it remains debated whether modulation occurs already subcortical structures. Investigating contribution human brainstem attention has, particular, been hindered tiny amplitude response. Its measurement normally requires large number repetitions same short sound stimuli, which may lead loss and neural...

10.1101/167718 preprint EN cc-by-nd bioRxiv (Cold Spring Harbor Laboratory) 2017-07-24

Abstract Humans are highly skilled at analysing complex acoustic scenes. The segregation of different streams and the formation corresponding neural representations is mostly attributed to auditory cortex. Decoding selective attention from neuroimaging has therefore focussed on cortical responses sound. However, brainstem response speech modulated by as well, recently shown through measuring brainstem’s running speech. Although a smaller magnitude than that cortex, it occurs much higher...

10.1101/259853 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2018-02-05

Abstract Speech and music are spectro-temporally complex acoustic signals that a highly relevant for humans. Both contain temporal fine structure is encoded in the neural responses of subcortical cortical processing centres. The response to speech has recently been shown be modulated by selective attention one two competing voices. Music similarly often consists several simultaneous melodic lines, listener can selectively attend particular at time. However, mechanisms enable such remain...

10.1101/2021.01.27.428483 preprint EN cc-by bioRxiv (Cold Spring Harbor Laboratory) 2021-01-28
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