Matti Hämäläinen

Matti Hämäläinen

Professor
Professor
T314 Dept. Neuroscience and Biomedical Engineering
Full researcher profile
https://research.aalto.fi/...

Kontakuppgifter

Telefonnummer
+358407185244

Publikationer

A role for retro-splenial cortex in the task-related P3 network

Diptyajit Das, Marnie E. Shaw, Matti Hämäläinen, Andrew R. Dykstra, Laura Doll, Alexander Gutschalk 2024 Clinical Neurophysiology

No Differences in Auditory Steady-State Responses in Children with Autism Spectrum Disorder and Typically Developing Children

Seppo P. Ahlfors, Steven Graham, Hari Bharadwaj, Fahimeh Mamashli, Sheraz Khan, Robert M. Joseph, Ainsley Losh, Stephanie Pawlyszyn, Nicole M. McGuiggan, Mark Vangel, Matti S. Hämäläinen, Tal Kenet 2023 JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS

Atypical cortical processing of bottom-up speech binding cues in children with autism spectrum disorders

Jussi Alho, Sheraz Khan, Fahimeh Mamashli, Tyler K. Perrachione, Ainsley Losh, Nicole M. McGuiggan, Steven Graham, Zein Nayal, Robert M. Joseph, Matti S. Hämäläinen, Hari Bharadwaj, Tal Kenet 2023 NeuroImage: Clinical

Both stronger and weaker cerebro-cerebellar functional connectivity patterns during processing of spoken sentences in autism spectrum disorder

Jussi Alho, John G. Samuelsson, Sheraz Khan, Fahimeh Mamashli, Hari Bharadwaj, Ainsley Losh, Nicole M. McGuiggan, Steven Graham, Zein Nayal, Tyler K. Perrachione, Robert M. Joseph, Catherine J. Stoodley, Matti S. Hämäläinen, Tal Kenet 2023 Human Brain Mapping

Decreased thalamocortical connectivity in resolved Rolandic epilepsy

Dhinakaran M. Chinappen, Lauren M. Ostrowski, Elizabeth R. Spencer, Hunki Kwon, Mark A. Kramer, Matti S. Hämäläinen, Catherine J. Chu 2023 Clinical Neurophysiology

Sex-related patterns in the electroencephalogram and their relevance in machine learning classifiers

Thomas Jochmann, Marc S. Seibel, Elisabeth Jochmann, Sheraz Khan, Matti S. Hämäläinen, Jens Haueisen 2023 Human Brain Mapping

On the clinical utility of on-scalp MEG : A modeling study of epileptic activity source estimation

Karin Westin, Sándor Beniczky, Christoph Pfeiffer, Matti Hämäläinen, Daniel Lundqvist 2023 Clinical Neurophysiology

Magnetoencephalography and electroencephalography can both detect differences in cortical responses to vibrotactile stimuli in individuals on the autism spectrum

Seppo P. Ahlfors, Steven Graham, Jussi Alho, Robert M. Joseph, Nicole M. McGuiggan, Zein Nayal, Matti S. Hämäläinen, Sheraz Khan, Tal Kenet 2022 Frontiers in Psychiatry

Editorial: Magnetoencephalography: Methodological innovation paves the way for scientific discoveries and new clinical applications

Rafeed Alkawadri, Rei Enatsu, Matti Hämäläinen, Anto Bagić 2022 Frontiers in Neurology

Cortical signatures of auditory object binding in children with autism spectrum disorder are anomalous in concordance with behavior and diagnosis

Hari M. Bharadwaj, Fahimeh Mamashli, Sheraz Khan, Ravinderjit Singh, Robert M. Joseph, Ainsley Losh, Stephanie M. Pawlyszyn, Nicole M. McGuiggan, Steven Graham, Matti S. Hämäläinen, Tal Kenet 2022 PLoS Biology

Functional Significance of Human Resting-State Networks Hubs Identified Using MEG During the Transition From Childhood to Adulthood

Sheraz Khan, Javeria Ali Hashmi, Fahimeh Mamashli, Matti S. Hämäläinen, Tal Kenet 2022 Frontiers in Neurology

Weighted Blind Source Separation Can Decompose the Frequency Mismatch Response by Deviant Concatenation: An MEG Study

Teppei Matsubara, Steven Stufflebeam, Sheraz Khan, Jyrki Ahveninen, Matti S. Hämäläinen, Yoshinobu Goto, Toshihiko Maekawa, Shozo Tobimatsu, Kuniharu Kishida 2022 Frontiers in Neurology

A Novel Approach to Estimating the Cortical Sources of Sleep Spindles Using Simultaneous EEG/MEG

Dimitrios Mylonas, Martin Sjøgård, Zhaoyue Shi, Bryan Baxter, Matti Hämäläinen, Dara S. Manoach, Sheraz Khan 2022 Frontiers in Neurology

Source EEG reveals that Rolandic epilepsy is a regional epileptic encephalopathy

Elizabeth R. Spencer, Dhinakaran Chinappen, Britt C. Emerton, Amy K. Morgan, Matti S. Hämäläinen, Dara S. Manoach, Uri T. Eden, Mark A. Kramer, Catherine J. Chu 2022 NeuroImage: Clinical

Altered maturation and atypical cortical processing of spoken sentences in autism spectrum disorder

Jussi Alho, Hari Bharadwaj, Sheraz Khan, Fahimeh Mamashli, Tyler K. Perrachione, Ainsley Losh, Nicole M. McGuiggan, Robert M. Joseph, Matti S. Hämäläinen, Tal Kenet 2021 Progress in Neurobiology

Rapid computation of TMS-induced E-fields using a dipole-based magnetic stimulation profile approach

Mohammad Daneshzand, Sergey N. Makarov, Lucia I.Navarro de Lara, Bastien Guerin, Jennifer McNab, Bruce R. Rosen, Matti S. Hämäläinen, Tommi Raij, Aapo Nummenmaa 2021 NeuroImage

Contextual MEG and EEG Source Estimates Using Spatiotemporal LSTM Networks

Christoph Dinh, John G. Samuelsson, Alexander Hunold, Matti S. Hämäläinen, Sheraz Khan 2021 Frontiers in Neuroscience

Age-Related EEG Power Reductions Cannot Be Explained by Changes of the Conductivity Distribution in the Head Due to Brain Atrophy

Mingjian He, Feng Liu, Aapo Nummenmaa, Matti S. Hämäläinen, Bradford C. Dickerson, Patrick L. Purdon 2021 Frontiers in Aging Neuroscience

Whole-head OPM-MEG enables noninvasive assessment of functional connectivity

Mainak Jas, Stephanie R. Jones, Matti S. Hämäläinen 2021 Trends in Neurosciences

Influence of unfused cranial bones on magnetoencephalography signals in human infants

Seok Lew, Matti S. Hämäläinen, Seppo P. Ahlfors, Yoshio Okada 2021 Clinical Neurophysiology

Boundary Element Fast Multipole Method for Enhanced Modeling of Neurophysiological Recordings

Sergey N. Makarov, Matti Hämäläinen, Yoshio Okada, Gregory M. Noetscher, Jyrki Ahveninen, Aapo Nummenmaa 2021 IEEE Transactions on Biomedical Engineering

Children with autism spectrum disorder show altered functional connectivity and abnormal maturation trajectories in response to inverted faces

Fahimeh Mamashli, Nataliia Kozhemiako, Sheraz Khan, Adonay S. Nunes, Nicole M. McGuiggan, Ainsley Losh, Robert M. Joseph, Jyrki Ahveninen, Sam M. Doesburg, Matti S. Hämäläinen, Tal Kenet 2021 Autism Research

Synchronization patterns reveal neuronal coding of working memory content

Fahimeh Mamashli, Sheraz Khan, Matti S. Hämäläinen, Mainak Jas, Tommi Raij, Steven Stufflebeam, Aapo Nummenmaa, Jyrki Ahveninen 2021 Cell Reports

A novel time-delayed correlation method decomposes mismatch response without using subtraction

Teppei Matsubara, Steven Stufflebeam, Sheraz Khan, Jyrki Ahveninen, Matti Hämäläinen, Yoshinobu Goto, Toshihiko Maekawa, Shozo Tobimatsu, Kuniharu Kishida 2021 43rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2021

Classification of evoked responses to inverted faces reveals both spatial and temporal cortical response abnormalities in Autism spectrum disorder

Adonay S. Nunes, Fahimeh Mamashli, Nataliia Kozhemiako, Sheraz Khan, Nicole M. McGuiggan, Ainsley Losh, Robert M. Joseph, Jyrki Ahveninen, Sam M. Doesburg, Matti S. Hämäläinen, Tal Kenet 2021 NeuroImage: Clinical

Spatial fidelity of MEG/EEG source estimates: A general evaluation approach

John G. Samuelsson, Noam Peled, Fahimeh Mamashli, Jyrki Ahveninen, Matti S. Hämäläinen 2021 NeuroImage

High-Density EEG in Current Clinical Practice and Opportunities for the Future

Sally M. Stoyell, Janina Wilmskoetter, Mary Ann Dobrota, Dhinakaran M. Chinappen, Leonardo Bonilha, Mark Mintz, Benjamin H. Brinkmann, Susan T. Herman, Jurriaan M. Peters, Serge Vulliemoz, Margitta Seeck, Matti S. Hämäläinen, Catherine J. Chu 2021 Journal of Clinical Neurophysiology

Auditory cues facilitate object movement processing in human extrastriate visual cortex during simulated self-motion: A pilot study

Lucia M. Vaina, Finnegan J. Calabro, Abhisek Samal, Kunjan D. Rana, Fahimeh Mamashli, Sheraz Khan, Matti S. Hämäläinen, Seppo P. Ahlfors, Jyrki Ahveninen 2021 Brain Research

Magnetoencephalography Signal Processing, Forward Modeling, Magnetoencephalography Inverse Source Imaging, and Coherence Analysis

Matti Hämäläinen, Mingxiong Huang, Susan M. Bowyer 2020 Neuroimaging Clinics of North America

Magnetoencephalography source estimation

Matti Hämäläinen 2020 Fifty Years of Magnetoencephalography: Beginnings, Technical Advances, and Applications

Neural activity underlying the detection of an object movement by an observer during forward self-motion: Dynamic decoding and temporal evolution of directional cortical connectivity

N. Kozhemiako, A. S. Nunes, A. Samal, K. D. Rana, F. J. Calabro, M. S. Hämäläinen, S. Khan, L. M. Vaina 2020 Progress in Neurobiology

Distinct Regional Oscillatory Connectivity Patterns During Auditory Target and Novelty Processing

Fahimeh Mamashli, Samantha Huang, Sheraz Khan, Matti S. Hämäläinen, Seppo P. Ahlfors, Jyrki Ahveninen 2020 Brain Topography

New Cognitive Neurotechnology Facilitates Studies of Cortical–Subcortical Interactions

Byoung Kyong Min, Matti S. Hämäläinen, Dimitrios Pantazis 2020 Trends in Biotechnology

Human Neocortical Neurosolver (HNN), a new software tool for interpreting the cellular and network origin of human MEG/EEG data

Samuel A. Neymotin, Dylan S. Daniels, Blake Caldwell, Robert A. McDougal, Nicholas T. Carnevale, Mainak Jas, Christopher Moore, Michael L Hines, Matti Hämäläinen, Stephanie R. Jones 2020 eLife

Epileptic Activity Intrinsically Generated in the Human Cerebellum

Yoshio Okada, Sheraz Khan, Ashley Curran, Banu Ahtam, Matti S. Hämäläinen, Roger D. Traub, Phillip L. Pearl 2020 Annals of Neurology

A computational paradigm for real-time MEG neurofeedback for dynamic allocation of spatial attention

Kunjan D. Rana, Sheraz Khan, Matti S. Hämäläinen, Lucia M. Vaina 2020 BioMedical Engineering OnLine

Detectability of cerebellar activity with magnetoencephalography and electroencephalography

John G. Samuelsson, Padmavathi Sundaram, Sheraz Khan, Martin I. Sereno, Matti S. Hämäläinen 2020 Human Brain Mapping

Individual Resting-State Brain Networks Enabled by Massive Multivariate Conditional Mutual Information

Padmavathi Sundaram, Martin Luessi, Marta Bianciardi, Steven Stufflebeam, Matti Hämäläinen, Victor Solo 2020 IEEE Transactions on Medical Imaging

MNE

Lorenz Esch, Christoph Dinh, Eric Larson, Denis Engemann, Mainak Jas, Sheraz Khan, Alexandre Gramfort, M. S. Hämäläinen 2019 Magnetoencephalography

MEG as an enabling tool in neuroscience

M. S. Hämäläinen, D. Lundqvist 2019 Magnetoencephalography

Multimodal neuroimaging evidence for looser lexico-semantic networks in schizophrenia:Evidence from masked indirect semantic priming

Gina R. Kuperberg, Kirsten Weber, Nathaniel Delaney-Busch, Candida Ustine, Ben Stillerman, Matti Hämäläinen, Ellen Lau 2019 Neuropsychologia

Permutation Statistics for Connectivity Analysis between Regions of Interest in EEG and MEG Data

Fahimeh Mamashli, Matti Hämäläinen, Jyrki Ahveninen, Tal Kenet, Sheraz Khan 2019 Scientific Reports

Cortical Signal Suppression (CSS) for Detection of Subcortical Activity Using MEG and EEG

John G. Samuelsson, Sheraz Khan, Padmavathi Sundaram, Noam Peled, Matti S. Hämäläinen 2019 Brain Topography

Left-lateralized contributions of saccades to cortical activity during a one-back word recognition task

Yu Cherng C. Chang, Sheraz Khan, Samu Taulu, Gina Kuperberg, Emery N. Brown, Matti S. Hämäläinen, Simona Temereanca 2018 Frontiers in Neural Circuits

MNE Scan

Lorenz Esch, Limin Sun, Viktor Klüber, Seok Lew, Daniel Baumgarten, P. Ellen Grant, Yoshio Okada, Jens Haueisen, Matti S. Hämäläinen, Christoph Dinh 2018 Journal of Neuroscience Methods

IFCN-endorsed practical guidelines for clinical magnetoencephalography (MEG)

Riitta Hari, Sylvain Baillet, Gareth Barnes, Richard Burgess, Nina Forss, Joachim Gross, Matti Hämäläinen, Ole Jensen, Ryusuke Kakigi, Mauguiére Francois, Nobukatzu Nakasato, Aina Puce, Gian Luca Romani, Alfons Schnitzler, Samu Taulu 2018 Clinical Neurophysiology

Reply to “Clinical practice guidelines or clinical research guidelines?”

Riitta Hari, Sylvain Baillet, Gareth Barnes, Nina Forss, Joachim Gross, Matti Hämäläinen, Ole Jensen, Ryusuke Kakigi, François Mauguière, Nobukazu Nakasato, Aina Puce, Gian Luca Romani, Alfons Schnitzler, Samu Taulu 2018 Clinical Neurophysiology

A reproducible MEG/EEG group study with the MNE software

Mainak Jas, Eric Larson, Denis A. Engemann, Jaakko Leppäkangas, Samu Taulu, Matti Hämäläinen, Alexandre Gramfort 2018 Frontiers in Neuroscience

Maturational trajectories of local and long-range functional connectivity in autism during face processing

Fahimeh Mamashli, Sheraz Khan, Hari Bharadwaj, Ainsley Losh, Stephanie M. Pawlyszyn, Matti S. Hämäläinen, Tal Kenet 2018 Human Brain Mapping

Localizing on-scalp MEG sensors using an array of magnetic dipole coils

Christoph Pfeiffer, Lau M. Andersen, Daniel Lundqvist, Matti Hämäläinen, Justin F. Schneiderman, Robert Oostenveld 2018 PloS one

Improving the nulling beamformer using subspace suppression

Kunjan D. Rana, Matti S. Hämäläinen, Lucia M. Vaina 2018 FRONTIERS IN COMPUTATIONAL NEUROSCIENCE

Noise cancellation for a whole-head magnetometer-based MEG system in hospital environment

Limin Sun, Matti S. Hämäläinen, Yoshio Okada 2018 Biomedical Physics & Engineering Express

Similarities and differences between on-scalp and conventional in-helmet magnetoencephalography recordings

Lau M. Andersen, Robert Oostenveld, Christoph Pfeiffer, Silvia Ruffieux, Veikko Jousmäki, Matti Hämäläinen, Justin F. Schneiderman, Daniel Lundqvist 2017 PloS one

Sparsity enables estimation of both subcortical and cortical activity from MEG and EEG

Pavitra Krishnaswamy, Gabriel Obregon-Henao, Jyrki Ahveninen, Sheraz Khan, Behtash Babadi, Juan Eugenio Iglesias, Matti S. Hämäläinen, Patrick L. Purdon 2017 Proceedings of the National Academy of Sciences of the United States of America

Auditory processing in noise is associated with complex patterns of disrupted functional connectivity in autism spectrum disorder

Fahimeh Mamashli, Sheraz Khan, Hari Bharadwaj, Konstantinos Michmizos, Santosh Ganesan, Keri Lee A Garel, Javeria Ali Hashmi, Martha R. Herbert, Matti Hämäläinen, Tal Kenet 2017 Autism Research

Benchmarking for On-Scalp MEG Sensors

Minshu Xie, Justin F. Schneiderman, Maxim L. Chukharkin, Alexei Kalabukhov, Bushra Riaz, Daniel Lundqvist, Stephen Whitmarsh, Matti Hämäläinen, Veikko Jousmäki, Robert Oostenveld, Dag Winkler 2017 IEEE Transactions on Biomedical Engineering

Interacting parallel pathways associate sounds with visual identity in auditory cortices

Jyrki Ahveninen, Samantha Huang, Seppo P. Ahlfors, Matti Hämäläinen, Stephanie Rossi, Mikko Sams, Iiro Jääskeläinen 2016 NeuroImage

Altered onset response dynamics in somatosensory processing in autism spectrum disorder

Sheraz Khan, Javeria A. Hashmi, Fahimeh Mamashli, Hari M. Bharadwaj, Santosh Ganesan, Konstantinos P. Michmizos, Manfred G. Kitzbichler, Manuel Zetino, Keri Lee A Garel, Matti S. Hämäläinen, Tal Kenet 2016 Frontiers in Neuroscience

Neural mechanisms of transient neocortical beta rhythms

Maxwell A. Sherman, Shane Lee, Robert Law, Saskia Haegens, Catherine A. Thorn, Matti Hämäläinen, Christopher I. Moore, Stephanie R. Jones 2016 Proceedings of the National Academy of Sciences of the United States of America

Basic principles of magnetoencephalography (MEG)

Riitta Hari, Lauri Parkkonen, Matti Hämäläinen 2015 Brain Mapping: An Encyclopedic Reference

Somatosensory cortex functional connectivity abnormalities in autism show opposite trends, depending on direction and spatial scale

Sheraz Khan, Konstantinos Michmizos, Mark Tommerdahl, Santosh Ganesan, Manfred G. Kitzbichler, Manuel Zetino, Keri-Lee A. Garel, Martha R. Herbert, Matti S. Hamalainen, Tal Kenet 2015 Brain

MNE-Python

Alexandre Gramfort, Denis Engeman, Eric Larson, Martin Luessi, Christian Brodbeck, Mainak Jas, Teon Brooks, Daniel Strohmeier, Roman Goj, M. van Vliet, Alan Leggitt, B. Billinger, Hari Bharadwaj, Lauri Parkkonen, Matti Hämäläinen 2014

MNE software for processing MEG and EEG data

Alexandre Gramfort, Martin Luessi, Eric Larson, Denis A. Engemann, Daniel Strohmeier, Christian Brodbeck, Lauri Parkkonen, Matti Hämäläinen 2014 NeuroImage

MEG and EEG data analysis with MNE-Python

A Gramfort, M Luessi, E Larson, D.A Engemann, D Strohmeier, C. Brodbeck, R Goj, M Jas, T Brooks, L Parkkonen, M. Hämäläinen 2013 Frontiers in Neuroscience

Synchrony of brains and bodies during implicit interpersonal interaction

Riitta Hari, Tommi Himberg, Lauri Nummenmaa, Matti Hämäläinen, Lauri Parkkonen 2013 TRENDS in Cognitive Sciences

Comparison of spherical and realistically shaped boundary element head models for transcranial magnetic stimulation navigation

Aapo Nummenmaa, Matti Stenroos, Risto J. Ilmoniemi, Yoshio C. Okada, Matti S. Hämäläinen, Tommi Raij 2013 Clinical Neurophysiology

Dissociable influences of auditory object vs. spatial attention on visual system oscillatory activity

J. Ahveninen, I.P. Jääskeläinen, John W. Belliveau, M. Hämäläinen, F-H. Lin, T. Raij 2012 PloS one

Attention-driven auditory cortex short-term plasticity helps segregate relevant sounds from noise

Jyrki Ahveninen, Matti Hämäläinen, Iiro P. Jääskeläinen, Seppo P. Ahlfors, Samantha Huang, Fa-Hsuan Lin, Tommi Raij, Mikko Sams, Christos E. Vasios, John W. Belliveau 2011 Proceedings of the National Academy of Sciences of the United States of America

Localization of cortical phase and amplitude dynamics during visual working memory encoding and retention

Satu Palva, Shrikanth Kulashekhar, Matti Hämäläinen, J. Matias Palva 2011 JOURNAL OF NEUROSCIENCE

Dynamical statistical modeling of physiological noise for fast BOLD fMRI

S. Särkkä, A. Nummenmaa, A. Solin, A. Vehtari, T. Witzel, T. Auranen, S. Vanni, M.S. Hämäläinen, F-H. Lin 2011 ISMRM 19th Annual Meeting & Exhibition, 7-13 May 2011, Montreal

Time dependent regularization for functional magnetic resonance inverse imaging

A Nummenmaa, M.S. Hämäläinen, F-H Lin 2010 Joint Annual Meeting ISMRM-ESMRMB 2010, Stockholm, Sweden, 1-7 May, 2010

Multimodal functional imaging using fMRI-informed regional EEG/MEG source estimation

Wanmei Ou, Aapo Nummenmaa, Jyrki Ahveninen, John W. Belliveau, Matti S. Hämäläinen, Polina Golland 2010 NeuroImage

Onset timing of cross-sensory activations and multisensory interactions in auditory and visual sensory cortices

Tommi Raij, Jyrki Ahveninen, Fa-Hsuan Lin, Thomas Witzel, Iiro Jääskeläinen, Benjamin Letham, Emily Israeli, Cherif Sahyoun, Christos Vasios, Steven Stufflebeam, Matti Hämäläinen, John Belliveau 2010 European Journal of Neuroscience

Automatic fMRI-guided MEG multidipole localization for visual responses

Toni Auranen, Aapo Nummenmaa, Simo Vanni, Aki Vehtari, Matti S. Hämäläinen, Jouko Lampinen, Iiro P. Jääskeläinen 2009 Human Brain Mapping

Study of neurovascular coupling in humans via simultaneous magnetoencephalography and diffuse optical imaging acquisition

WM. Ou, Ilkka Nissilä, H. Radhakrishnan, DA. Boas, M.S. Hämäläinen, MA. Franceschini 2009 NeuroImage

Early visual brain areas reflect the percept of an ambiguous scene

Lauri Parkkonen, Jesper Andersson, Matti Hämäläinen, Riitta Hari 2008 Proceedings of the National Academy of Sciences of the United States of America

Parallel input makes the brain run faster

Tommi Raij, Jari Karhu, Dubravko Kicic, Pantelis Lioumis, Petro Julkunen, Fa-Hsuan Lin, Jyrki Ahveninen, Risto J. Ilmoniemi, Jyrki P. Mäkelä, Matti Hämäläinen, Bruce R. Rosen, John W. Belliveau 2008 NeuroImage

Automatic fMRI-guided MEG multidipole localization for visual responses

T. Auranen, A. Nummenmaa, S. Vanni, A. Vehtari, M.S. Hämäläinen, J. Lampinen, I.P. Jääskeläinen 2007

Bayesian inverse analysis of neuromagnetic data using cortically constrained multiple dipoles

Toni Auranen, Aapo Nummenmaa, Matti S. Hämäläinen, Iiro P. Jääskeläinen, Jouko Lampinen, Aki Vehtari, Mikko Sams 2007 Human Brain Mapping

Automatic relevance-determination based on hierarchical Bayesian MEG inversion in practice

Aapo Nummenmaa, Toni Auranen, Matti S. Hämäläinen, Iiro P. Jääskeläinen, Mikko Sams, Aki Vehtari, Jouko Lampinen 2007 NeuroImage

Hierarchical Bayesian estimates of distributed MEG sources: theoretical aspects and comparison of variational and MCMC methods

Aapo Nummenmaa, Toni Auranen, Matti S. Hämäläinen, Iiro P. Jääskeläinen, Jouko Lampinen, Mikko Sams, Aki Vehtari 2007 NeuroImage

Sparse MEG inverse solutiona via hierarchical Bayesian modeling: Evaluation with a parallel fMRI study

Aapo Nummenmaa, Toni Auranen, Simo Vanni, Matti S. Hämäläinen, Iiro P. Jääskeläinen, Jouko Lampinen, Aki Vehtari, Mikko Sams 2007

Reature-specific selective attention modulates the "what" and "where" pathways in human auditory cortex

Jyrki Ahveninen, Iiro P. Jääskeläinen, T. Raij, G. Bonmassar, S. Devere, M. Hämäläinen, S. Levänen, F.H. Lin, M. Sams, B. Shinn-Cunningham, T. Witzel, John W. Belliveau 2006

Task-modulated "what" and "where" pathways in human auditory cortex

Jyrki Ahveninen, Iiro P. Jääskeläinen, Tommi Raij, Giorgio Bonmassar, D. Sasha, Matti S. Hämäläinen, Sari Levänen, F. Lin, M. Sams, B. Shinn-Cunningham, T. Witzel, J. Bellieau 2006 Proceedings of the National Academy of Sciences of the United States of America

Cortically constrained neuromagnitic inverse analysis: structure of Bayesian multidipolar solutions and effects of MEG-MRI coregistration error

Toni Auranen, Aapo Nummenmaa, Matti S. Hämäläinen, Iiro P. Jääskeläinen, Jouko Lampinen, Aki Vehtari, Mikko Sams 2006

Inverse estimates of basic auditory and visual MEG responses by hierarchical Variational Bayesian approach

Aapo Nummenmaa, Toni Auranen, Matti S. Hämäläinen, Iiro P. Jääskeläinen, Jouko Lampinen, Mikko Sams, Aki Vehtari 2006

Bayesian analysis of the neuromagnetic inverse problem with l^p -norm priors

Toni Auranen, Aapo Nummenmaa, Matti S. Hämäläinen, Iiro P. Jääskeläinen, Jouko Lampinen, Aki Vehtari, Mikko Sams 2005 NeuroImage

Full Bayesian Analysis of the MEG Inverse Problem with 1 p-norm Priors

T. Auranen, A. Nummenmaa, M.S. Hämäläinen, I.P. Jääskeläinen, J. Lampinen, A. Vehtari, M. Sams 2004

Are posterior auditory-cortex neurons tuned to sound location in humans?

I.P. Jääskeläinen, J. Ahveninen, T. Raij, G. Bonmassar, S. Devore, M. Hämäläinen, S. Levänen, FH. Lin, M. Sams, B. Shinn-Cunningham, JW. Belliveau 2004

A Hierarchical Bayesian Approach in distributed MEG source Modelling

A. Nummenmaa, T. Auranen, M.S. Hämäläinen, I.P. Jääskeläinen, J. Lampinen, M. Sams, A. Vehtari 2004

Modulation of oscillatory MEG activity in 8 - 13 Hz and 4 - 7 Hz bands to visual-spatial working memory task in OCD patients and healthy controls

Kristiina Ciesielski, Seppo Ahlfors, Matti Hämäläinen, Paul Lesnik, Julia Stephen, Dan Geller, Steven Stufflebeam 2002 13th International Conference on Biomagnetism, Jena, Germany, August 10-14, 2002

New six-layer magnetically-shielded room for MEG

D. Cohen, U. Schläpfer, Seppo Ahlfors, Matti Hämäläinen, Erik Halgren 2002 13th International Conference on Biomagnetism, jena, Germany, August 10-14, 2002

Phantom tests of SSP noise compensation in magnetocardiographic recordings

Milla Karvonen, Jukka Nenonen, Matti Hamalainen, Lauri Parkkonen, Mario Liehr, Jorg Schreiber, Juha Montonen, Jens Haueisen, Toivo Katila 2002

Spatiotemporal mapping of cortical oscillations

Thomas Witzel, Steven Stufflebeam, Fa-Hsuan Lin, Matti Hämäläinen, Erik Halgren, Anders Dale 2002 13th International Conference on Biomagnetism (BIOMAG2002), Jena, Germany, August 10-14,2002

Dynamic imaging of coherent sources: Studying neural interactions in the human brain

Joachim Gross, J. Kujala, M. Hämäläinen, L. Timmermann, Alfons Schnitzler, R. Salmelin 2001 Proceedings of the National Academy of Sciences of the United States of America

Tomographic mapping of functional connectivities from MEG recordings

Joachim Gross, Jan Kujala, Matti Hämäläinen, Lars Timmermann, Alfons Schnitzler, Riitta Salmelin 2001 NeuroImage

Magnetic source imaging

Matti Hämäläinen, Jukka Nenonen 2001 Engineering Superconductivity

Three-dimensional integration of brain anatomy and function to facilitate intraoperative navigation around the sensorimotor strip

Jyrki Mäkelä, Erika Kirveskari, Mika Seppä, Matti Hämäläinen, Nina Forss, Sari Avikainen, Oili Salonen, Stephan Salenius, Tero Kovala, Tarja Randell, Juha Jääskeläinen, Riitta Hari 2001 Human Brain Mapping

Correcting for head movements in MEG inverse problem

Kimmo Uutela, Matti Hämäläinen 2001 12th International Conference on Biomagnetism, Helsinki University of Technology, Espoo, Finland, August 13-17,2000

Detecting and correcting for head movements in neuromagnetic measurements

Kimmo Uutela, Samu Taulu, Matti Hämäläinen 2001 NeuroImage

Magnetoencephalography (MEG) in the stereotactic radiation therapy treatment planning of intracranial lesions

E. Kirveskari, T. Tanskanen, S. Vanni, M. Hämäläinen, M. Tenhunen, M. Kouri, T. Joensuu, J. Jääskeläinen, N. Forss 2000 12th International Conference on Biomagnetism, Helsinki University of Technology, Espoo, Finland, August 13-17, 2000

Correcting for head movements in MEG inverse problem

K. Uutela, M. Hämäläinen 2000

Global optimization in the localization of brain activity

K Uutela, M. Hämäläinen, R Salmelin 2000 BIOMAG 96

Independent component approach to the analysis of EEG and MEG recordings

R. Vigário, J. Särelä, V. Jousmäki, M. Hämäläinen, E. Oja 2000 IEEE Transactions on Biomedical Engineering

Magnetic source imaging

M.S. Hämäläinen, J.T. Nenonen 1999 Wiley Encyclopedia of Electrical and Electronics Engineering, vol. 12

Experiments on interference suppression in MEG measurements

L Parkkonen, J. Simola, M. Kajola, M. Hämäläinen, A. Ahonen 1999

Visualization of magnetoencephalographic data using minimum current estimates

Kimmo Uutela, Matti Hämäläinen, Erkki Somersalo 1999 NeuroImage

An integrated MEG-EEG system for clinical studies

M. Hämäläinen 1998 Finnish-Japanese Symposium, Otaniemi, 14.-17.6.1998

Focal and diffuse source models in MEG studies

M. Hämäläinen 1998 9th Wold Congress of the International Organization of Psychophysiology (IOP), Taormina, Sicily, Italy, 14.-19.9.1998

Focal source models in MEG studies

M. Hämäläinen 1998 13th National Biomagnetism Conference, Tokio, Japan, 23.-25.5.1998

Neuromagnetic imaging of brain function

M. Hämäläinen 1998 9th Wold Congress of the International Organization of Psychophysiology (IOP), Taormina, Sicily, Italy, 14.-19.9.1998

Three-dimensional imaging of functional brain anatomy facilitating peroperative navigation around the somatomotor strip

Erika Kirveskari, M. Seppä, M. Hämäläinen, N. Forss, J. Mäkelä, Sari Avikainen, O. Salonen, Tero Kovala, Stephan Salenius, Jarmo Jääskeläinen, R. Hari 1998

Global optimization in the localization of neuromagnetic sources

Kimmo Uutela, Matti Hämäläinen, Riitta Salmelin 1998 IEEE Transactions on Biomedical Engineering

Independent Component Analysis for Identification of Artifacts in Magnetoencephalographic Recordings

R. Vigário, V. Jousmäki, M. Hämäläinen, R. Hari, E. Oja 1998

An integrated MEG-EEG system for clinical studies

M. Hämäläinen 1997 Noninvasive Functional Source Imaging 1997

Modeling aspects of combined EEG and MEG data

M. Hämäläinen 1997 1st European Workshop on Neuroinformatics & Business meeting for the ECHBD consortium, Nobel Forum, Karolinska Institute, Sweden, September 11-13,1997

Software aspects in biomagnetism

Matti S. Hämäläinen, M.J. Kajola, L.T. Parkkonen, M.T. Seppä 1997 Extended abstracts, Volume 1, Plenary contributions

Comparison of spherical and realistically shaped conductor models in magnetoencephalography

A. Tarkiainen, M. Hämäläinen, R. Salmelin 1997 International Journal of Psychophysiology

Activation of human mesial cortex during somatosensory target detection task

N. Forss, I. Merlet, S. Vanni, M. Hämäläinen, F. Mauguire, R. Hari 1996 Brain Research

Activation of human mesial cortex during somatosensory target detection task

N. Forss, I. Merlet, S. Vanni, M. Hämäläinen, F. Mauquiere, R. Hari 1996 26th Annual Meeting of Society for Neuroscience

Magnetic source imaging during a visually guided task

V. Jousmäki, M. Hämäläinen, R. Hari 1996 Neuroreport

Information processing in the human brain: Magnetoencephalographic approach

Olli V. Lounasmaa, Matti Hämäläinen, Riitta Hari, Riitta Salmelin 1996 Proceedings of the National Academy of Sciences of the United States of America

Magnetocardiographic Functional Imaging Studies in BioMag Laboratory

J. Montonen, A. Ahonen, M. Hämäläinen, R. Ilmoniemi, P. Laine, J. Nenonen, M. Paavola, K. Simelius, J. Simola, T. Katila 1996

Global optimization in the localization of brain activity

K. Uutela, M. Hämäläinen, R. Salmelin 1996

Global optimization in the localization of brain activity

K. Uutela, M. Hämäläinen, R. Salmelin 1996

Do auditory stimuli activate human parietal brain regions, Letter to the Editor

M. Hämäläinen, R. Hari, O. Lounasmaa, S. Williamson 1995 Neuroreport

MEG burst supression in an anaesthetized dog

V. Jäntti, G. Baer, A. Yli-Hankala, M. Hämäläinen, R. Hari 1995 Acta Anaesthesiologica Scandinavica

Visual cortex activation in blind humans during sound discrimination

T. Kujala, M. Huotilainen, J. Sinkkonen, A. Ahonen, K. Alho, M. Hämäläinen, R Ilmoniemi, M. Kajola, Jukka Knuutila, J. Lavikainen, O. Salonen, J. Simola, C. Standertskjöld-Nordenstam, H. Tiitinen, Satu Tissari, R. Näätänen 1995 Neuroscience Letters

Dipole modelling of MEG rhythms in time and frequency domains

R. Salmelin, M. Hämäläinen 1995 Brain Topography

Functional segreation of movement-related rhythmic activity in the human brain

R. Salmelin, M. Hämäläinen, M. Kajola, R. Hari 1995 NeuroImage

Effects of intensity variation on human auditory evoked magnetic fields

J. Vasama, J. Mäkelä, S. Tissari, M. Hämäläinen 1995 Acta Oto-Laryngologica

Activation of the human posterior parietal cortex by median nerve stimulation

N. Forss, R. Hari, R. Salmelin, A. Ahonen, M. Hämäläinen, M. Kajola, J. Knuutila, J. Simola 1994 Experimental Brain Research

Use of a computerized brain atlas in magnetoencephalo-graphic activation studies

T. Greitz, C. Bohm, E. Hellstrand, M. S. Hämäläinen, R. Hari, Risto J. Iimoniemi, R. Seitz, O. V. Lounasmaa 1994 Neuroreport

Functional localization based on measurements with a whole-head magnetometer system

M. Hämäläinen 1994 5th International Congress International Society for Brain Electromagnetic Topography, Münster, Germany, 2.-6.8.1994

Interpreting magnetic fields of the brain: Minimum norm estimates

M. Hämäläinen, R. Ilmoniemi 1994 Medical & Biological Engineering & Computing

MEG - A tool for functional brain imaging

M. Hämäläinen, R. Hari, R. Ilmoniemi, J. Knuutila, O. Lounasmaa 1994 Bat-Sheva Seminar on Functional Brain Imaging, Tel-Aviv, Israel, 5.-10.6.1994

Effect of interaural time differences on middle-latency and late auditory evoked magnetic fields

L. McEvoy, J. Mäkelä, M. Hämäläinen, R. Hari 1994 Hearing Research

Whole-head mapping of middle-latency auditory evoked magnetic fields

J. Mäkelä, M. Hämäläinen, R. Hari, L. McEvoy 1994 Electroencephalography and Clinical Neurophysiology

Minimum-norm estimation in a boundary-element torso model

J. Nenonen, M. Hämäläinen, R. Ilmoniemi 1994 Medical & Biological Engineering & Computing

Magnetoencephalographic evaluation of children and adolescents with intractable epilepsy

R. Paetau, M. Hämäläinen, R. Hari, Matti Kajola, J. Karhu, T. Larsen, E. Lindahl, O. Salonen 1994 Epilepsia

Mototropic organization of human cortical 20-Hz oscillations

R. Salmelin, R. Hari, M. Hämäläinen, M. Kajola 1994

122-channel SQUID instrument for investigating the magnetic signals from the human brain

Antti I. Ahonen, Matti Hämäläinen, Matti Kajola, Jukka Knuutila, Petteri Laine, Olli V. Lounasmaa, Lauri Parkkonen, Juha Simola, Claudia D. Tesche 1993 Physica Scripta

Sampling theory for neuromagnetic detector arrays

A. Ahonen, M.S. Hämäläinen, R Ilmoniemi, M.J. Kajola, J.E. Knuutila, J.T. Simola, V.A. Vilkman 1993 IEEE Transactions on Biomedical Engineering

Functional organization of the human first and second somatosensory cortices: a neuromagnetic study

R. Hari, J. Karhu, M. Hämäläinen, J. Knuutila, O. Salonen, M. Sams, V. Vilkman 1993 European Journal of Neuroscience

Parietal epileptic mirror focus detected with a whole-head neuromagnetometer

Riitta Hari, Antti Ahonen, Nina Forss, Marja-Liisa Granström, Matti Hämäläinen, Matti Kajola, Jukka Knuutila, Olli V. Lounasmaa, Jyrki P. Mäkelä, Ritva Paetau, Riitta Salmelin, Juha Simola 1993 Neuroreport

A 122-channel neuromagnetometer covering the whole-head

M. Hämäläinen, A.I. Ahonen, M.J. Kajola, J.T. Simola, V.A. Vilkman 1993

Magnetoencephalography - theory, instrumentation, and applications to noninvasive studies of the working human brain

M. Hämäläinen, R. Hari, Risto Ilmoniemi, J. Knuutila, O.V. Lounasmaa 1993 Reviews of Modern Physics

Source analysis of the brain's electromagnetic signals

M. Hämäläinen 1993 The Second Ragnar Granit Symposium, Tampere, 22.-23.11.1993

A 122-Channel Whole-Cortex SQUID System for Measuring the Brains Magnetic Fields

Jukka Knuutila, Antti I. Ahonen, Matti Hämäläinen, Matti Kajola, Petteri Laine, Lauri Parkkonen, Olli V. Lounasmaa, Juha Simola, Claudia D. Tesche 1993 IEEE Transactions on Magnetics

A 122-channel neuromagnetometer covering the whole head

P. Laine, A. Ahonen, M. Hämäläinen, M. Kajola, J. Knuutila, Lauri Parkkonen, J. Simola, V. Vilkman 1993

Whole-head neuromagnetic recordings of responses to deviant auditory stimuli

S. Levänen, A. Ahonen, M. Hämäläinen, R. Hari, O.V. Lounasmaa, J.P. Mäkelä, L. McEvoy, P.J. Pardo, M. Sams 1993

Functional differences between auditory cortices of the two hemispheres revealed by whole-head neuromagnetic recordings

J. Mäkelä, A. Ahonen, M. Hämäläinen, R. Hari, R. Ilmoniemi, M. Kajola, J. Knuutila, O. Lounasmaa, L. McEvoy, R. Salmelin, O. Salonen 1993 Human Brain Mapping

Human auditory cortical mechanisms of sound lateralization: I. Interaural time differences within sound

M. Sams, M. Hämäläinen, R. Hari, L. McEvoy 1993 Hearing Research

Sources of auditory evoked fields superiposed on 3D-MRI reconstruction of temporal lobes

S. Tissari, M.S. Hämäläinen, R. Hari, J.P. Mäkelä 1993

Cortical alpha-frequency oscillations evoked by visual pattern stimuli

S. Ahlfors, R. Ilmoniemi, M. Hämäläinen 1992 Biomagnetism: Clinical aspects

Estimates of visually evoked cortical currents

Seppo Ahlfors, Seppo Ilmoniemi, Matti Hämäläinen 1992 Electroencephalography and Clinical Neurophysiology

Sampling theory for neuromagnetic detector arrays

Antti I. Ahonen, M. Hämäläinen, R. Ilmoniemi, Matti Kajola, Jukka Knuutila, Juha Simola, Visa Vilkman 1992

Magnetoencephalography: a tool for functional brain imaging

M. Hämäläinen 1992 Brain Topography

The use of magnetoencephalography in brain imaging

M. Hämäläinen 1992 3rd International Congress on Brain Electromagnetic Topography, Amsterdam, Hollanti, 9.-12.6.1992

Minimum-norm estimation in a boundary element torso model

J. Nenonen, M. Hämäläinen, R. Ilmoniemi 1992

MEG versus EEG localization test

Riitta Hari, Matti Hämäläinen, Risto Ilmoniemi, Olli V. Lounasmaa 1991 Annals of Neurology

Seeing faces activates three separate areas outside the occipital visual cortex in man

S. T. Lu, M. S. Hämäläinen, R. Hari, R. J. Ilmoniemi, O. V. Lounasmaa, M. Sams, V. Vilkman 1991 Neuroscience

Auditory attention affects two different areas in the human supratemporal cortex

Josi Rif, Riitta Hari, Matti S. Hämäläinen, Mikko Sams 1991 Electroencephalography and Clinical Neurophysiology

Cortical activity elicited by changes in auditory stimuli

M. Sams, E. Kaukoranta, Matti Hämäläinen, R. Naatanen 1991 Psychophysiology

Seeing speech

Mikko Sams, Reijo Aulanko, Matti Hämäläinen, Riitta Hari, Olli V. Lounasmaa, Sing Teh Lu, Juha Simola 1991 Neuroscience Letters

Separate finger representations at the human second somatosensory cortex

R. Hari, H. Hämäläinen, Matti Hämäläinen, J. Kekoni, M. Sams, J. Tiihonen 1990 Neuroscience

Neuromagnetic steady-state responses to auditory stimuli

Rütta Hari, Matti Hämäläinen, Sirkka-Liisa Joutsiniemi 1989 Journal of the Acoustical Society of America

Reactions of human auditory cortex to a change in tone duration

E. Kaukoranta, M. Sams, R. Hari, Matti Hämäläinen, R. Näätänen 1989 Hearing Research

Cerebral neuromagnetic responses evoked by short auditory stimuli

M. Sams, Matti Hämäläinen, A. Antervo, E. Kaukoranta, K. Reinikainen, R. Hari 1985 Electroencephalography and Clinical Neurophysiology

Responses of the primary auditory cortex to pitch changes in a sequence of tone pips

Riitta Hari, Matti Hämäläinen, R. Ilmoniemi, E. Kaukoranta, K. Reinikainen, K. Alho, R. Näätänen, M. Sams, J. Salminen 1984 Neuroscience Letters