Research

Our goal is to conduct high-quality research. We believe this is essential for making meaningful contributions to our field and advancing knowledge! 🧠🧠🧠

Highlighted

Differential roles of delta and theta oscillations in understanding semantic gist during natural audiovisual speech perception: Functional and anatomical evidence
Differential roles of delta and theta oscillations in understanding semantic gist during natural audiovisual speech perception: Functional and anatomical evidence
Hyojin Park, Robin A. A. Ince, Joachim Gross
openRxiv   ·   22 Jun 2022   ·   doi:10.1101/2022.06.21.497061
Semantic Gist Topic Keywords Audiovisual Integration Delta Theta Information Theory MEG EEG DTI

Publications

Augmenting Speech Comprehension using Rapid Frequency Tagging
Augmenting Speech Comprehension using Rapid Frequency Tagging
Charlie Reynolds, Yali Pan, Ana Pesquita, Ole Jensen, Katrien Segaert, Hyojin Park
openRxiv   ·   13 Jul 2026   ·   doi:10.64898/2026.07.08.737094
Audiovisual Speech Language Comprehension Frequency Tagging Rapid Invisible Frequency Tagging RIFT Intermodulation Interaction MEG EEG
Modulating speech tracking through brain state-dependent changes in audio loudness
Modulating speech tracking through brain state-dependent changes in audio loudness
Alejandro Pérez, Ainhoa Insausti-Delgado, Hyojin Park, Ander Ramos-Murguialday
Journal of Neural Engineering   ·   06 Jan 2026   ·   doi:10.1088/1741-2552/ae30ab
Speech Tracking Short-Term Memory EEG Brain State-Dependent Stimulation (BSDS)
Confronting the connectivity crisis in human M/EEG research
Confronting the connectivity crisis in human M/EEG research
Ole Jensen, Hyojin Park, Oscar Ferrante
Trends in Cognitive Sciences   ·   18 Sep 2025   ·   doi:10.1016/j.tics.2025.09.001
MEG EEG Connectivity Coherence
Neocortical and Hippocampal Theta Oscillations Track Audiovisual Integration and Replay of Speech Memories
Neocortical and Hippocampal Theta Oscillations Track Audiovisual Integration and Replay of Speech Memories
Emmanuel Biau, Danying Wang, Hyojin Park, Ole Jensen, Simon Hanslmayr
The Journal of Neuroscience   ·   21 May 2025   ·   doi:10.1523/JNEUROSCI.1797-24.2025
Audiovisual Speech Memory Theta Hippocampus MEG EEG
Current and prospective roles of magnetic resonance imaging in mild traumatic brain injury
Current and prospective roles of magnetic resonance imaging in mild traumatic brain injury
Matilde Sassani, Tara Ghafari, Pradeepa R W Arachchige, Iman Idrees, Yidian Gao, ..., Waheeda Hawa, Yidian Gao, Alexandra J Sinclair, Karen Mullinger, Davinia Fernández-Espejo
Brain Communications   ·   25 Mar 2025   ·   doi:10.1093/braincomms/fcaf120
Mild Traumatic Brain Injury mTBI Concussion Biomarkers MRI Magnetic Resonance Spectroscopy MRS
High framerate FD-fNIRS for auditory-inspired speech hemodynamic response function
High framerate FD-fNIRS for auditory-inspired speech hemodynamic response function
Biao Zheng, Hyojin Park, Hamid Dehghani
Optical Tomography and Spectroscopy of Tissue XVI   ·   20 Mar 2025   ·   doi:10.1117/12.3043098
fNIRS FD-fNIRS Speech
Neocortical and hippocampal theta oscillations track audiovisual integration and replay of speech memories
Neocortical and hippocampal theta oscillations track audiovisual integration and replay of speech memories
Emmanuel Biau, Danying Wang, Hyojin Park, Ole Jensen, Simon Hanslmayr
openRxiv   ·   14 Sep 2024   ·   doi:10.1101/2024.09.13.612424
Audiovisual Speech Theta Memory MEG EEG
Dissociating prosodic from syntactic delta activity during natural speech comprehension
Dissociating prosodic from syntactic delta activity during natural speech comprehension
Nikos Chalas, Lars Meyer, Chia-Wen Lo, Hyojin Park, Daniel S. Kluger, Omid Abbasi, Christoph Kayser, Robert Nitsch, Joachim Gross
Current Biology   ·   23 Jul 2024   ·   doi:10.1016/j.cub.2024.06.072
Speech-Brain Coupling Prosody Syntax Speech Comprehension Delta Temporal Response Function mTRF MEG EEG
Attentional inhibition by alpha power is modulated by faster theta rhythm and audio-visual congruency during natural speech perception
Attentional inhibition by alpha power is modulated by faster theta rhythm and audio-visual congruency during natural speech perception
Gabriel Byczynski, Hyojin Park
openRxiv   ·   27 Feb 2024   ·   doi:10.1101/2024.02.25.581860
Audiovisual Speech Alpha Theta Attentional Inhibition Congruency MEG EEG
Dissociating endogenous and exogenous delta activity during natural speech comprehension
Dissociating endogenous and exogenous delta activity during natural speech comprehension
Nikos Chalas, Lars Meyer, Chia-Wen Lo, Hyojin Park, Daniel S. Kluger, Omid Abbasi, Christoph Kayser, Robert Nitsch, Joachim Gross
openRxiv   ·   01 Feb 2024   ·   doi:10.1101/2024.02.01.578181
Speech Comprehension Delta Prosodic Cues Encoding Model MEG EEG
A systematic review of optical coherence tomography findings in adults with mild traumatic brain injury
A systematic review of optical coherence tomography findings in adults with mild traumatic brain injury
Hannah S. Lyons, Matilde Sassani, Yousef Hyder, James L. Mitchell, Mark Thaller, ..., Tara Ghafari, Tony Goldstone, Waheeda Hawa, Yidian Gao, Richard J. Blanch
Eye   ·   18 Jan 2024   ·   doi:10.1038/s41433-023-02845-w
Mild Traumatic Brain Injury mTBI Traumatic Brain Injury Optical Coherence Tomography OCT Eye
Neural Speech Tracking Highlights the Importance of Visual Speech in Multi-speaker Situations
Neural Speech Tracking Highlights the Importance of Visual Speech in Multi-speaker Situations
Chandra L. Haider, Hyojin Park, Anne Hauswald, Nathan Weisz
Journal of Cognitive Neuroscience   ·   01 Jan 2024   ·   doi:10.1162/jocn_a_02059
Audiovisual Speech Lip Movement Face Mask Speech Features Multi-Speaker MEG EEG
Get the gist of the story: Neural map of topic keywords in multi-speaker environment
Get the gist of the story: Neural map of topic keywords in multi-speaker environment
Hyojin Park, Joachim Gross
eLife Sciences Publications, Ltd   ·   18 Sep 2023   ·   doi:10.7554/eLife.89703
Audiovisual Speech Semantic Gist Topic Keywords Topic Model Latent Dirichlet Allocation LDA Multi-Speaker Natural Language Processing NLP Large Language Model LLM MEG EEG
Lip movements and lexical features improve speech tracking differently for clear and multi-speaker speech
Lip movements and lexical features improve speech tracking differently for clear and multi-speaker speech
Chandra Leon Haider, Hyojin Park, Anne Hauswald, Nathan Weisz
openRxiv   ·   15 May 2023   ·   doi:10.1101/2023.05.15.540818
Audiovisual Speech Lip Movement Face Mask Speech Features Multi-Speaker MEG EEG
Differential roles of delta and theta oscillations in understanding semantic gist during natural audiovisual speech perception: Functional and anatomical evidence
Differential roles of delta and theta oscillations in understanding semantic gist during natural audiovisual speech perception: Functional and anatomical evidence
Hyojin Park, Robin A. A. Ince, Joachim Gross
openRxiv   ·   22 Jun 2022   ·   doi:10.1101/2022.06.21.497061
Semantic Gist Topic Keywords Audiovisual Integration Delta Theta Information Theory MEG EEG DTI
Masking of the mouth area impairs reconstruction of acoustic speech features and higher-level segmentational features in the presence of a distractor speaker
Masking of the mouth area impairs reconstruction of acoustic speech features and higher-level segmentational features in the presence of a distractor speaker
Chandra Leon Haider, Nina Suess, Anne Hauswald, Hyojin Park, Nathan Weisz
NeuroImage   ·   15 May 2022   ·   doi:10.1016/j.neuroimage.2022.119044
Stimulus Reconstruction Face Mask Audiovisual Speech Formants Speech Envelope MEG EEG
Get the gist of the story: Neural map of topic keywords in multi-speaker environment
Get the gist of the story: Neural map of topic keywords in multi-speaker environment
Hyojin Park, Joachim Gross
openRxiv   ·   05 May 2022   ·   doi:10.1101/2022.05.05.490770
Audiovisual Speech Semantic Gist Topic Keywords Topic Model Latent Dirichlet Allocation LDA Multi-Speaker Natural Language Processing NLP Large Language Model LLM MEG EEG
Auditory detection is modulated by theta phase of silent lip movements
Auditory detection is modulated by theta phase of silent lip movements
Emmanuel Biau, Danying Wang, Hyojin Park, Ole Jensen, Simon Hanslmayr
Current Research in Neurobiology   ·   19 May 2021   ·   doi:10.1016/j.crneur.2021.100014
Audiovisual Speech Auditory Detection Lip Movement Theta Phase MEG EEG
Predictive entrainment of natural speech through two fronto-motor top-down channels
Predictive entrainment of natural speech through two fronto-motor top-down channels
Hyojin Park, Gregor Thut, Joachim Gross
Language, Cognition and Neuroscience   ·   26 Sep 2018   ·   doi:10.1080/23273798.2018.1506589
Speech Speech Tracking Prediction Top-Down Delta Theta Beta MEG EEG
Representational interactions during audiovisual speech entrainment: Redundancy in left posterior superior temporal gyrus and synergy in left motor cortex
Representational interactions during audiovisual speech entrainment: Redundancy in left posterior superior temporal gyrus and synergy in left motor cortex
Hyojin Park, Robin A. A. Ince, Philippe G. Schyns, Gregor Thut, Joachim Gross
PLOS Biology   ·   06 Aug 2018   ·   doi:10.1371/journal.pbio.2006558
Audiovisual Speech Integration pSTG Motor Cortex Representational Interaction Information Theory Mutual Information Partial Information Decomposition Synergy Redundancy MEG EEG
Gating of memory encoding of time-delayed cross-frequency MEG networks revealed by graph filtration based on persistent homology
Gating of memory encoding of time-delayed cross-frequency MEG networks revealed by graph filtration based on persistent homology
Jarang Hahm, Hyekyoung Lee, Hyojin Park, Eunjoo Kang, Yu Kyeong Kim, Chun Kee Chung, Hyejin Kang, Dong Soo Lee
Scientific Reports   ·   07 Feb 2017   ·   doi:10.1038/srep41592
Long-Term Memory Memory Encoding Alpha Gamma Cross-Frequency Functional Connectivity Graph Filtration Persistent Homology MEG EEG
Discriminating Valid from Spurious Indices of Phase-Amplitude Coupling
Discriminating Valid from Spurious Indices of Phase-Amplitude Coupling
Ole Jensen, Eelke Spaak, Hyojin Park
eneuro   ·   16 Jan 2017   ·   doi:10.1523/ENEURO.0334-16.2016
Cross-Frquency Coupling CFC Phase-Amplitude Coupling Spurious Coupling Brain Oscillations MEG EEG
Formation of visual memories controlled by gamma power phase-locked to alpha oscillations
Formation of visual memories controlled by gamma power phase-locked to alpha oscillations
Hyojin Park, Dong Soo Lee, Eunjoo Kang, Hyejin Kang, Jarang Hahm, June Sic Kim, Chun Kee Chung, Haiteng Jiang, Joachim Gross, Ole Jensen
Scientific Reports   ·   16 Jun 2016   ·   doi:10.1038/srep28092
Long-Term Memory Memory Encoding Alpha Gamma Cross-Frequency Coupling CFC Phase-Amplitude Coupling MEG EEG
Lip movements entrain the observers’ low-frequency brain oscillations to facilitate speech intelligibility
Lip movements entrain the observers’ low-frequency brain oscillations to facilitate speech intelligibility
Hyojin Park, Christoph Kayser, Gregor Thut, Joachim Gross
eLife   ·   05 May 2016   ·   doi:10.7554/eLife.14521
Audiovisual Speech Visual Speech Speeck Tracking Lip Movement Speech Intelligibility Coherence MEG EEG
Frontal Top-Down Signals Increase Coupling of Auditory Low-Frequency Oscillations to Continuous Speech in Human Listeners
Frontal Top-Down Signals Increase Coupling of Auditory Low-Frequency Oscillations to Continuous Speech in Human Listeners
Hyojin Park, Robin A.A. Ince, Philippe G. Schyns, Gregor Thut, Joachim Gross
Current Biology   ·   15 Jun 2015   ·   doi:10.1016/j.cub.2015.04.049
Speech Tracking Top-Down Auditory Cortex Motor Cortex Frontal Cortex Information Theory Transfer Entropy MEG EEG
Blocking of irrelevant memories by posterior alpha activity boosts memory encoding
Blocking of irrelevant memories by posterior alpha activity boosts memory encoding
Hyojin Park, Dong Soo Lee, Eunjoo Kang, Hyejin Kang, Jarang Hahm, June Sic Kim, Chun Kee Chung, Ole Jensen
Human Brain Mapping   ·   12 Feb 2014   ·   doi:10.1002/hbm.22452
Long-Term Memory Irrelevant Memory Memory Blocking Remember No-Remember Alpha MEG EEG
Cross-Frequency Power Correlations Reveal the Right Superior Temporal Gyrus as a Hub Region During Working Memory Maintenance
Cross-Frequency Power Correlations Reveal the Right Superior Temporal Gyrus as a Hub Region During Working Memory Maintenance
Hyojin Park, Eunjoo Kang, Hyejin Kang, June Sic Kim, Ole Jensen, Chun Kee Chung, Dong Soo Lee
Brain Connectivity   ·   13 Apr 2012   ·   doi:10.1089/brain.2011.0046
Working Memory Visuospatial Memory Memory Maintenance Cross-Freuqnecy Coupling CFC STG Brain Oscillations MEG EEG
Metabolic connectivity by interregional correlation analysis using statistical parametric mapping (SPM) and FDG brain PET; methodological development and patterns of metabolic connectivity in adults
Metabolic connectivity by interregional correlation analysis using statistical parametric mapping (SPM) and FDG brain PET; methodological development and patterns of metabolic connectivity in adults
Dong Soo Lee, Hyejin Kang, Heejung Kim, Hyojin Park, Jungsu S. Oh, Jae Sung Lee, Myung Chul Lee
European Journal of Nuclear Medicine and Molecular Imaging   ·   20 May 2008   ·   doi:10.1007/s00259-008-0808-z
Resting State Default Mode Glucose Metabolism Interregional Correlation Functional Connectivity Metabolic Connectivity FDG-PET
Language Lateralization Using Magnetoencephalography (MEG): A Preliminary Study
Language Lateralization Using Magnetoencephalography (MEG): A Preliminary Study
Seo-Young Lee, Eunjoo Kang, June Sic Kim, Sang-Kun Lee, Hyejin Kang, Hyojin Park, Sung Hun Kim, Seung Hwan Lee, Chun Kee Chung
Annals of Clinical Neurophysiology   ·   30 Dec 2006   ·   [no id info]
MEG