Research Interests
Auditory neuroscience
Cortical processing of natural sounds
Cortical bases of auditory attention
Speech processing
Psychoacoustics & auditory modelling
Auditory neuroscience
Cortical processing of natural sounds
Cortical bases of auditory attention
Speech processing
Psychoacoustics & auditory modelling
Technical University of Denmark
| 2016 – Present |
Senior Researcher, DRCMR |
| 2016 – Present |
Senior Researcher, Hearing Systems group, Technical University of Denmark, DTU |
| 2013 – 2016 |
Postdoc at CHeSS: Oticon Centre of Excellence for Speech and Hearing Sciences (DRCMR & Technical University of Denmark, DTU) |
| 2012 – 2013 |
Research assistant, DRCMR |
| 2011 – 1212 |
Research assistant, University of Copenhagen |
| 2010 – 2010 |
Visiting researcher, IRCAM, Paris |
| 2005 – 2006 |
Research Assistant, Unit for Cognitive Neuroscience, University of Copenhagen |
| 2011 |
PhD, Cognitive Psychology of Music, University of Copenhagen |
| 2007 |
MA, Music & Cognitive Psychology, University of Copenhagen |
| 2000 |
BA, Music & Philosophy, University of Aarhus |
[31250f6c-30ea-4105-9d59-67b5f59fc8d9]
Hjortkjær J,
Wong DDE,
Catania A,
Märcher-Rørsted J,
Ceolini E,
Fuglsang SA,
Kiselev I,
Di Liberto G,
Liu S,
Dau T,
Slaney M &
de Cheveigné A, Real-time control of a hearing instrument with EEG-based attention decoding
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Journal of Neural Engineering
vol 22,
Issue 1,
016027,
(2025).
DOI:10.1088/1741-2552/ad867c
Fuglsang SA,
Madsen KH,
Puonti O,
Siebner HR &
Hjortkjær J, Exploring an EM-algorithm for banded regression in computational neuroscience
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Imaging Neuroscience
vol 2,
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(2024).
DOI:10.1162/imag_a_00155
Pedersen NF,
Dau T,
Hansen LK &
Hjortkjær J, Modulation transfer functions for audiovisual speech
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vol 18,
Issue 7,
p. 1-23,
(2022).
DOI:10.1371/journal.pcbi.1010273
Fuglsang SA,
Madsen KH,
Puonti O,
Hjortkjær J &
Siebner HR, Mapping cortico-subcortical sensitivity to 4 Hz amplitude modulation depth in human auditory system with functional MRI
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NeuroImage
vol 246,
p. 1-12,
(2021).
DOI:10.1016/j.neuroimage.2021.118745
Märcher-Rørsted J,
Encina-Llamas G,
Dau T,
Liberman MC,
Wu P &
Hjortkjær J, Age-related reduction in frequency-following responses as a potential marker of cochlear neural degeneration
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Hearing Research
vol 414,
p. 1-11,
(2021).
DOI:10.1016/j.heares.2021.108411
Scheuregger O,
Hjortkjær J &
Dau T, Identification and Discrimination of Sound Textures in Hearing-Impaired and Older Listeners
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vol 25,
p. 1-14,
(2021).
DOI:10.1177/23312165211065608
Bachmann FL,
MacDonald EN &
Hjortkjær J, Neural Measures of Pitch Processing in EEG Responses to Running Speech
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vol 15,
p. 1-11,
(2021).
DOI:10.3389/fnins.2021.738408
de Cheveigné A,
Slaney M,
Fuglsang S &
Hjortkjaer J, Auditory stimulus-response modeling with a Match-Mismatch task
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Journal of Neural Engineering
vol 18,
Issue 4,
p. 1-16,
(2021).
DOI:10.1088/1741-2552/abf771
Ceolini E,
Hjortkjær J,
Wong DDE,
O'Sullivan J,
Raghavan VS,
Herrero J,
Mehta AD,
Liu S &
Mesgarani N, Brain-informed speech separation (BISS) for enhancement of target speaker in multitalker speech perception
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NeuroImage
vol 223,
p. 1-12,
(2020).
DOI:10.1016/j.neuroimage.2020.117282
Fuglsang SA,
Märcher-Rørsted J,
Dau T &
Hjortkjær J, Effects of sensorineural hearing loss on cortical synchronization to competing speech during selective attention
[map[#text:Neuroscience Journal -lang:en] map[#text:Journal of Neuroscience -lang:en] map[#text:The European journal of neuroscience -lang:en] map[#text:The Journal of Neuroscience : the official journal of the Society for Neuroscience -lang:en] map[#text:J Neurosci -lang:en]]
vol 40,
Issue 12,
p. 2562-2572,
(2020).
DOI:10.1523/JNEUROSCI.1936-19.2020
Hjortkjaer J,
Märcher-Rørsted J,
Fuglsang SA &
Dau T, Cortical oscillations and entrainment in speech processing during working memory load
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European Journal of Neuroscience
vol 51,
Issue 5,
p. 1279-1289,
(2018).
DOI:10.1111/ejn.13855
de Cheveigné A,
Di Liberto GM,
Arzounian D,
Wong DDE,
Hjortkjær J,
Fuglsang S &
Parra LC, Multiway canonical correlation analysis of brain data
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NeuroImage
vol 186,
p. 728-740,
(2018).
DOI:10.1016/j.neuroimage.2018.11.026
Wong DDE,
Fuglsang SA,
Hjortkjær J,
Ceolini E,
Slaney M &
de Cheveigné A, A Comparison of Regularization Methods in Forward and Backward Models for Auditory Attention Decoding
[map[#text:Frontiers in Neuroscience -lang:en] map[#text:Frontiers in Neuroscience -lang:en] map[#text:FRONT NEUROSCI-SWITZ -lang:en]]
vol 12,
Issue 531,
(2018).
DOI:10.3389/fnins.2018.00531
de Cheveigné A,
Wong D,
Di Liberto GM,
Hjortkjaer J,
Slaney M &
Lalor E, Decoding the auditory brain with canonical component analysis
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NeuroImage
vol 172,
p. 206-216,
(2018).
DOI:10.1016/j.neuroimage.2018.01.033
Hjortkjær J,
Kassuba T,
Madsen KH,
Skov M &
Siebner HR, Task-Modulated Cortical Representations of Natural Sound Source Categories
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vol 28,
Issue 1,
p. 295-306,
(2018).
DOI:10.1093/cercor/bhx263
Bianchi F,
Hjortkjær J,
Santurette S,
Zatorre RJ,
Siebner HR &
Dau T, Subcortical and cortical correlates of pitch discrimination: Evidence for two levels of neuroplasticity in musicians,
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NeuroImage
vol 163,
p. 398-412,
(2017).
DOI:10.1016/j.neuroimage.2017.07.057
Fuglsang SA,
Dau T &
Hjortkjær J, Noise-robust cortical tracking of attended speech in real-world acoustic scenes
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NeuroImage
vol 156,
p. 435-444,
(2017).
DOI:10.1016/j.neuroimage.2017.04.026
Hjortkjær J &
McAdams S, Spectral and temporal cues for perception of material and action categories in impacted sound sources
[map[#text:Journal of the Acoustical Society of America -lang:en] map[#text:Acoustical Society of America. Journal -lang:en]]
vol 140,
Issue 1,
p. 409-420,
(2016).
DOI:10.1121/1.4955181
Wendt D,
Dau T &
Hjortkjær J, Impact of Background Noise and Sentence Complexity on Processing Demands during Sentence Comprehension
[map[#text:Frontiers in Psychology -lang:en] map[#text:Frontiers in Psychology -lang:en]]
vol 7,
Issue MAR,
345,
(2016).
DOI:10.3389/fpsyg.2016.00345
Hjortkjær J &
Walther-Hansen M, Perceptual effects of dynamic range compression in popular music recordings.
[map[#text:Journal of the Audio Engineering Society -lang:en] map[#text:Journal of the Audio Engineering Society -lang:en]]
vol 62,
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p. 37-41,
(2014).
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