+45 3862 2722
Senior Researcher
Technical University of Denmark
www.dtu.dk/Service/Telefonbog/Person?id=37956&tab=2&qt=dtupublicationquery
Auditory neuroscience
Cortical processing of natural sounds
Cortical bases of auditory attention
Speech processing
Psychoacoustics & auditory modelling
2011
PhD, Cognitive Psychology of Music, University of Copenhagen
2007
MA, Music & Cognitive Psychology, University of Copenhagen
2000
BA, Music & Philosophy, University of Aarhus
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
Hjortkjaer, J., Märcher-Rørsted, J., Fuglsang, S. A. & Dau, T. Cortical oscillations and entrainment in speech processing during working memory load. European Journal of Neuroscience. 2020.
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de Cheveigné, A., Di Liberto, G. M., Arzounian, D., Wong, D. D. E., Hjortkjær, J., Fuglsang, S. & Parra, L. C. Multiway canonical correlation analysis of brain data. NeuroImage. 186, p. 728-740, 2019.
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Spangmose Pedersen, S., Hjortkjær, J., & Marozeau, J. (2019). Perception of Musical Tension in Cochlear Implant Listeners. Frontiers in Neuroscience, 13, 987.
de Cheveigne, A., Di Liberto, G. M., Arzounian, D., Wong, D. D., Hjortkjaer, J., Fuglsang, S., & Parra, L. C. (2019). Multiway canonical correlation analysis of brain data. Neuroimage, 186, 728-740.
Wong, D. D., Fuglsang, S. A., Hjortkjaer, J., Ceolini, E., Slaney, M., & De Cheveigne, A. (2018). A Comparison of Regularization Methods in Forward and Backward Models for Auditory Attention Decoding. Frontiers in Neuroscience, 12, 531.
De Cheveigne, A., Wong, D., Di Liberto, G., Hjortkjær, J., Slaney, M., Lalor, E. (2018). Decoding the auditory brain with canonical component analysis. NeuroImage, 172, 206-216
Hjortkjær, J., Märcher-Rørsted, J., Fuglsang, S.A., Dau, T. (2018). Cortical oscillations and entrainment in speech processing during working memory load. European Journal of Neuroscience
Hjortkjær, J., Kassuba, T., Madsen, K. H., Skov, M. & Siebner, H. R.
Task-Modulated Cortical Representations of Natural Sound Source Categories. Cerebral Cortex. 28, 1, p. 295-306, 2018.
Wong, D., Hjortkjær, J., Fuglsang, S. A. & De Cheveigne, A.
Classifying attended speech from EEG using canonical correlation. 1 p., 2017.
Hjortkjær, J. & Märcher-Rørsted, J.
Digit speech: A test material for measuring ongoing speech perception. 1 p., 2017.
Hjortkjær, J. & Märcher-Rørsted, J.
Dynamics of cortical oscillations during an auditory N-back task. 2017.
Hjortkjær, J. & Bianchi, F.
Representation of pitch across spectral regions in human auditory cortex. 1 p., 2017.
Fuglsang, S. A., Hjortkjær, J. & Dau, T.
Neural reconstructions of speech in reverberant multi-talker environments. 2017.
Carstensen, M., Fuglsang, S. A., Dau, T. & Hjortkjær, J.
Sensitivity of encoding models for auditory fMRI. 1 p., 2017.
Fuglsang, S. A., Dau, T. & Hjortkjær, J.
Noise-robust cortical tracking of attended speech in real-world acoustic scenes. NeuroImage. 156, p. 435-444, 2017.
Bianchi, F., Hjortkjær, J., Santurette, S., Zatorre, R. J., Siebner, H. R. & Dau, T.
Subcortical and cortical correlates of pitch discrimination: Evidence for two levels of neuroplasticity in musicians. NeuroImage. 163, p. 398-412, 2017.
MacWalter, R. I., Hjortkjær, J., Siebner, H. R., Dau, T. & Madsen, K. H. Cortical sensitivity to auditory textures. 1 p., 2016.
Hjortkjær, J. Sound objects – Auditory objects – Musical objects. Danish Musicology Online. Special Edition, p. 47-56, 2016.
Hjortkjær, J., & McAdams, S. (2016). Spectral and temporal cues for perception of material and action categories in impacted sound sources. The Journal of the Acoustical Society of America, 140(1), 409-420.
Wendt, D., Dau, T., & Hjortkjær, J. (2016). Impact of background noise and sentence complexity on processing demands during sentence comprehension. Frontiers in Psychology, 7.
McWalter, R., Hjortkjær, J., Siebner, H., Dau, T., Madsen, K. (2016). Sensitivity to sound texture statistics in auditory cortex. Cosyne
Bianchi, F., Hjortkjaer, J., Santurette, S., Siebner, H. Zatorre, R., Dau, T. (2016). Complex-tones cortical pitch representations in musicians vs. non-musicians. ARO 39th Midwinter Meeting
Wong, D.E., Pomper, U., Alickovic, E., Hjortkjær, J., Slaney, M., Pressnizter, Shamma, S., Cheveigné, A. (2016). Decoding Speech Sound Source Direction from Electroencephalography Data. ARO 39th Midwinter Meeting
Hjortkjær, J. Dau, T. (2016). Low-frequency neural oscillations in auditory stream segregation. ARO 39th Midwinter Meeting
Wendt, D., Dau,. T, Hjortkjær, J (2015). Impact of background noise and sentence complexity on cognitive processing demands. International Symposium on Auditory and Audiological Research (ISAAR)
Hjortkjær, J. (2015). Sound objects - Auditory objects - Musical objects. Danish Musicology Online, Special Edition 2015
Wendt, D., Dau., T., Hjortkjær, J. (2015). The role of cognitive processing demand and working memory capacity in speech comprehension. 8th Speech in Noise Workshop (SpiN)
Hjortkjær, J., Dau, T. (2015). Single-trial EEG measures of attention to speech in a multi-talker scenario. 7th Speech in Noise Workshop (SpiN)
Hjortkjær, J., Walther-Hansen, M. (2014). Perceptual Effects of Dynamic Range Compression in Popular Music Recordings Journal of the Audio Engineering Society, 62 (1/2), 37-41
Hjortkjær, J. (2014). The musical brain. In: J. Lauring (Eds.). Introduction to Neuroaesthetics. MTP/ University of Chicago Press
Jensen, K. Hjortkjær, J. (2012). An improved dissonance measure using auditory memory. Journal of the Audio Engineering Society 60(5), 350-354
Mogensen, J., Hjortkjær, J., Ibervang, K., Stedal, K., Malá, H. (2007). Prefrontal cortex and hippocampus in posttraumatic functional recovery. Spatial delayed alternation by rats subjected to transection of the fimbria-fornix and/or ablation of the prefrontal cortex. Brain Research Bulletin 73, 86-95