1993 …2020

Research output per year

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Research Output

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

Ahonen, A. I., Hämäläinen, M., Kajola, M., Knuutila, J., Laine, P., Lounasmaa, O. V., Parkkonen, L., Simola, J. & Tesche, C. D., 1993, In : Physica Scripta. T49, p. 198-205

Research output: Contribution to journalArticleScientificpeer-review

A 122-channel neuromagnetometer covering the whole head

Laine, P., Ahonen, A., Hämäläinen, M., Kajola, M., Knuutila, J., Parkkonen, L., Simola, J. & Vilkman, V., 1993, Turku, p. 15, (27. Fysiikan päivät, Turku, 18.-20.3.1993).

Research output: Working paperProfessional

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

Knuutila, J., Ahonen, A. I., Hämäläinen, M., Kajola, M., Laine, P., Parkkonen, L., Lounasmaa, O. V., Simola, J. & Tesche, C. D., 1993, In : IEEE Transactions on Magnetics. 29, 6, p. 3315-3320

Research output: Contribution to journalArticleScientificpeer-review

A 72-channel whole-head system for combined ultra-low-field MRI and magnetoencephalography

Vesanen, P. T., Nieminen, J. O., Zevenhoven, K. C. J., Dabek, J., Luomahaara, J., Hassel, J., Penttilä, J., Zhdanov, A. V., Lin, F-H., Hsu, Y-C., Parkkonen, L. T., Simola, J., Ahonen, A. I. & Ilmoniemi, R. J., 2012, The 20th Annual Meeting of ISMRM, Melbourne, Australia, 2012. p. 2745

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Across-subject offline decoding of motor imagery from MEG and EEG

Halme, H-L. & Parkkonen, L., 1 Dec 2018, In : Scientific Reports. 8, 1, p. 1-12 10087.

Research output: Contribution to journalArticleScientificpeer-review

14 Citations (Scopus)
39 Downloads (Pure)

Adaptive neural network classifier for decoding MEG signals

Zubarev, I., Zetter, R., Halme, H. L. & Parkkonen, L., 15 Aug 2019, In : NeuroImage. 197, p. 425-434 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
2 Citations (Scopus)
181 Downloads (Pure)

Alterations in Spontaneous Brain Oscillations during Stroke Recovery

Laaksonen, K., Helle, L., Parkkonen, L., Kirveskari, E., Makela, J. P., Mustanoja, S., Tatlisumak, T., Kaste, M. & Forss, N., 2013, In : PloS one. 8, 4, p. 1-9 e61146.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
22 Citations (Scopus)
126 Downloads (Pure)

A multicenter study of the early detection of synaptic dysfunction in Mild Cognitive Impairment using magnetoencephalography-derived functional connectivity

Maestú, F., Peña, J-M., Garcés, P., González, S., Bajo, R., Bagic, A., Cuesta, P., Funke, M., Mäkelä, J. P., Menasalvas, E., Nakamura, A., Parkkonen, L., López, M. E., del Pozo, F., Sudre, G., Zamrini, E., Pekkonen, E., Henson, R. N. & Becker, J. T., 2015, In : NEUROIMAGE. CLINICAL. 9, p. 103-109

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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34 Citations (Scopus)
147 Downloads (Pure)

An interference suppression system for multichannel magnetic field detector arrays

Parkkonen, L., Simola, J., Tuoriniemi, J. & Ahonen, A., 1998, 11th International Conference on Biomagnetism (Biomag98), 28.8.-2.9.1999, Sendai, Japan. p. 31

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

An Internet-based real-time audiovisual link for dual MEG recordings

Zhdanov, A., Nurminen, J., Baess, P., Hirvenkari, L., Jousmäki, V., Mäkelä, J. P., Mandel, A., Meronen, L., Hari, R. & Parkkonen, L., 2015, In : PloS one. 10, 6, p. 1-15 e0128485.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
17 Citations (Scopus)
14 Downloads (Pure)

Atypical MEG inter-subject correlation during listening to continuous natural speech in dyslexia

Thiede, A., Glerean, E., Kujala, T. & Parkkonen, L., 1 Aug 2020, In : NeuroImage. 216, 15 p., 116799.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
1 Citation (Scopus)
2 Downloads (Pure)

Auditory cortical responses in humans with congenital unilateral conductive hearing loss

Vasama, J. P., Mäkelä, J., Parkkonen, L. & Hari, R., 1994, In : Hearing Research. 78, p. 91-97

Research output: Contribution to journalArticleScientificpeer-review

26 Citations (Scopus)

Auditory magnetic responses of healthy newborns

Huotilainen, M., Kujala, A., Hotakainen, M., Shestakova, A., Kushnerenko, E., Parkkonen, L., Fellman, V. & Näätänen, R., 6 Oct 2003, In : Neuroreport. 14, 14, p. 1871-1875 5 p.

Research output: Contribution to journalArticleScientificpeer-review

66 Citations (Scopus)

Basic principles of magnetoencephalography (MEG)

Hari, R., Parkkonen, L. & Hämäläinen, M., 2015, Brain Mapping: An Encyclopedic Reference. Toga, A. W. (ed.). London: Academic Press: Elsevier, p. 117-121

Research output: Chapter in Book/Report/Conference proceedingChapterScientific

3 Citations (Scopus)

Binaural interaction and the octave illusion

Lamminmäki, S., Mandel, A., Parkkonen, L. & Hari, R., 2012, In : Journal of the Acoustical Society of America. 132, 3, p. 1747-1753

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
12 Citations (Scopus)
131 Downloads (Pure)

Binaural interaction during octave illusion

Lamminmäki, S., Mandel, A., Parkkonen, L. & Hari, R., 2009, p. 105-106, (The 3 rd International Conference on Auditory Cortex, Current Concepts in Human and Animal Research, Magdeburg (Germany), August 29-September 2, 2009).

Research output: Working paperProfessional

Biopotential amplifier for simultaneous operation with biomagnetic instruments

Virtanen, J., Parkkonen, L., Ilmoniemi, R., Pekkonen, E. & Näätänen, R., 1997, In : Medical & Biological Engineering & Computing. 35, p. 402-408

Research output: Contribution to journalArticleScientificpeer-review

Brain structural and functional recovery following initiation of combination antiretroviral therapy

Becker, J. T., Cuesta, P., Fabrizio, M., Sudre, G., Vergis, E. N., Douaihy, A., Bajo, R., Schubert, A., Lopez, O. L., Parkkonen, L., Marstu, F. & Bagie, A., 2012, In : JOURNAL OF NEUROVIROLOGY. 18, 5, p. 423-427

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Centrality of Social Interaction in Human Brain Function

Hari, R., Henriksson, L., Malinen, S. & Parkkonen, L., 2015, In : Neuron. 88, 1, p. 181-193

Research output: Contribution to journalReview ArticleScientificpeer-review

86 Citations (Scopus)

Characterization of Neuromagnetic Brain Rhythms Over Time Scales of Minutes Using Spatial Independent Component Analysis

Ramkumar, P., Parkkonen, L., Hari, R. & Hyvärinen, A., 2012, In : Human Brain Mapping. 33, 7, p. 1648-1662

Research output: Contribution to journalArticleScientificpeer-review

27 Citations (Scopus)

Characterization of spontaneous neuromagnetic brain rhythms using independent component analysis of short-time fourier transforms

Ramkumar, P., Hyvärinen, A., Parkkonen, L. & Hari, R., 2010, 17th International Conference on Biomagnetism Advances in Biomagnetism, Biomag2010, Dubrovnik, Croatia, 28.3.-1.4.2010. p. 215-218

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Combination of MEG and MRI in one setup

Ilmoniemi, R. J., Dabek, J., Lin, F-H., Nieminen, J. O., Parkkonen, L. T., Vesanen, P. T., Zevenhoven, K. C. J., Zhdanov, A. V., Luomahaara, J., Hassel, J., Penttilä, J., Simola, J., Ahonen, A. I. & Mäkelä, J. P., 2012, Biomed Tech, Berl, Germany, 2012. 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)

Comparing features for classification of MEG responses to motor imagery

Halme, H. L. & Parkkonen, L., 1 Dec 2016, In : PloS one. 11, 12, p. 1-21 e0168766.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
12 Citations (Scopus)
118 Downloads (Pure)

Comparing MEG and fMRI views to naming actions and objects

Liljeström, M., Hultén, A., Parkkonen, L. & Salmelin, R., 2009, In : Human Brain Mapping . 30, 6, p. 1845-1856 12 p.

Research output: Contribution to journalArticleScientificpeer-review

73 Citations (Scopus)

Comparing MEG and fMRI views to naming actions and objects

Liljeström, M., Hultén, A., Parkkonen, L. & Salmelin, R., 2009, p. 87, (INS Mid-Year Meeting 2009, Helsinki and Tallinn, 29.7.-1.8.2009).

Research output: Working paperProfessional

73 Citations (Scopus)

Comparing the Performance of Popular MEG/EEG Artifact Correction Methods in an Evoked-Response Study

Haumann, N. T., Parkkonen, L., Kliuchko, M., Vuust, P. & Brattico, E., 2016, In : COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE. 2016, p. 1-10 7489108.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
17 Citations (Scopus)
109 Downloads (Pure)

Comparison of beamformer implementations for MEG source localization

Jaiswal, A., Nenonen, J., Stenroos, M., Gramfort, A., Dalal, S. S., Westner, B. U., Litvak, V., Mosher, J. C., Schoffelen, J. M., Witton, C., Oostenveld, R. & Parkkonen, L., 1 Aug 2020, In : NeuroImage. 216, p. 1-15 15 p., 116797.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
2 Downloads (Pure)

Consistency and similarity of MEG- and fMRI-signal time courses during movie viewing

Lankinen, K., Saari, J., Hlushchuk, Y., Tikka, P., Parkkonen, L., Hari, R. & Koskinen, M., Jun 2018, In : NeuroImage. 173, p. 361-369 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
8 Citations (Scopus)
143 Downloads (Pure)

Correction of disturbances caused by temporary and continuous head movements

Nenonen, J., Nurminen, J., Kičić, D., Bikmullina, R., Lioumis, P., Jousmäki, V., Taulu, S., Parkkonen, L., Putaala, M. & Kähkönen, S., 2010, 17th International Conference on Biomagnetism Advances in Biomagnetism - Biomag2010. Vol. 28. p. 43-46 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)

Decoding attentional states for neurofeedback: Mindfulness vs. wandering thoughts

Zhigalov, A., Heinilä, E., Parviainen, T., Parkkonen, L. & Hyvärinen, A., 15 Jan 2019, In : NeuroImage. 185, p. 565-574 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
3 Citations (Scopus)
114 Downloads (Pure)

Decoding magnetoencephalographic rhythmic activity using spectrospatial information

Kauppi, J-P., Parkkonen, L., Hari, R. & Hyvärinen, A., 2013, In : NeuroImage. 83, p. 921-936

Research output: Contribution to journalArticleScientificpeer-review

14 Citations (Scopus)

Denoising Single Trial Event Related Magnetoencephalographic Recordings

Karp, E., Parkkonen, L. & Vigário, R., 2009, 8th International Conference on Independent Component Analysis and Signal Separation (ICA 2009). Adali, T. E. A. (ed.). Paraty, p. 427-434

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

3 Citations (Scopus)

Determining a position of objects in a predetermined coordinate system

Taulu, S., Parkkonen, L. & Kajola, M., 5 Apr 2005, IPC No. A61B5/05; G01B7/14; G01S5/04, Patent No. US6876196 (B1)

Research output: Patent

Distinct cortical codes and temporal dynamics for conscious and unconscious percepts

Salti, M., Monto, S., Charles, L., King, J-R., Parkkonen, L. & Dehaene, S., 2015, In : ELIFE. 4, e05652, p. 1-19

Research output: Contribution to journalArticleScientificpeer-review

36 Citations (Scopus)

Dynamical MEG Source Modeling With Multi-Target Bayesian Filtering

Sorrentino, A., Parkkonen, L., Pascarella, A., Campi, C. & Piana, M., 2009, In : Human Brain Mapping . 30, 6, p. 1911-1921

Research output: Contribution to journalArticleScientificpeer-review

40 Citations (Scopus)

Early visual brain areas reflect the percept of an ambiguous scene

Parkkonen, L., Andersson, J., Hämäläinen, M. & Hari, R., 2008, In : Proceedings of the National Academy of Sciences of the United States of America . 105, 51, p. 20500-20504

Research output: Contribution to journalArticleScientificpeer-review

48 Citations (Scopus)

Efficient Concomitant and Remanence Field Artifact Reduction in Ultra-Low-Field MRI Using a Frequency-Space Formulation

Yi-Cheng, H., Vesanen, P. T., Nieminen, J. O., Zevenhoven, K. C. J., Dabek, J., Parkkonen, L., Chern, I-L., Ilmoniemi, R. J. & Lin, F-H., 2014, In : Magnetic Resonance in Medicine. 71, 3, p. 955-965

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Evidence for a general performance-monitoring system in the human brain

Zubarev, I. & Parkkonen, L., Nov 2018, In : Human Brain Mapping. 39, 11, p. 4322-4333 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
3 Citations (Scopus)
159 Downloads (Pure)

Expectation–maximization algorithm with a nonlinear kalman smoother for MEG/EEG connectivity estimation

Subramaniyam, N. P., Tronarp, F., Särkkä, S. & Parkkonen, L., 2017, EMBEC and NBC 2017 - Joint Conference of the European Medical and Biological Engineering Conference EMBEC 2017 and the Nordic-Baltic Conference on Biomedical Engineering and Medical Physics, NBC 2017. p. 763-766 4 p. (IFMBE Proceedings; vol. 65).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2 Citations (Scopus)

Experimental design

Salmelin, R. & Parkkonen, L., 2010, MEG: An Introduction to Methods. Hansen, P. C., Kringelbach, M. L. & Salmelin, R. (eds.). New York: Oxford University Press, p. 75-82

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

2 Citations (Scopus)

Experiments on interference suppression in MEG measurements

Parkkonen, L., Simola, J., Kajola, M., Hämäläinen, M. & Ahonen, A., 1999, p. s. S165, (Fifth International Conference on Functional Mapping of the Human Brain, Düsseldorf, Germany, June 22-26, 1999).

Research output: Working paperProfessional

1 Citation (Scopus)

Facial expressions of pain modulate observer's long-latency responses in superior temporal sulcus

Kujala, M., Tanskanen, T., Parkkonen, L. & Hari, R., 2009, In : Human Brain Mapping. 30, 12, p. 3910-3923

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Feature-Specific Information Processing Precedes Concerted Activation in Human Visual Cortex

Ramkumar, P., Jas, M., Pannasch, S., Hari, R. & Parkkonen, L., 2013, In : JOURNAL OF NEUROSCIENCE. 33, 18, p. 7691-7699

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
33 Citations (Scopus)
26 Downloads (Pure)

Frequency tagging

Parkkonen, L., 2006, Nordic Congress of Clinical Neurophysiology (NCCN 2006), 21-24 May 2006 at Biomedicum Helsinki, Helsinki, Finland. Helsinki: Department of Clinical Neurophysiology, University of Helsinki, p. 34

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

From local to global: Cortical dynamics of contour integration

Tanskanen, T., Saarinen, J. & Parkkonen, L., 2008, In : Journal of Vision. 8, 7

Research output: Contribution to journalArticleScientificpeer-review

33 Citations (Scopus)

Functional connectivity measures with magnetoencephalofgraphy identifies persons with HIV disease

Becker, J. T., Bajo, R., Fabrizio, M., Sudre, G., Cuesta, P., Aizenstein, H. J., Loåez, O. L., Wolk, D., Parkkonen, L., Maestu, F. & Bagie, A., 2012, In : BRAIN IMAGING AND BEHAVIOR. 6, 3, p. 366-373

Research output: Contribution to journalArticleScientificpeer-review

25 Citations (Scopus)

GMR-based sensors arrays for biomagnetic source imaging applications

Campiglio, P., Caruso, L., Paul, E., Demonti, A., Azizi-Rogeau, L., Parkkonen, L., Fermon, C. & Pannetier-Lecoeur, M., 29 Oct 2012, In : IEEE Transactions on Magnetics. 48, 11, p. 3501-3504 4 p., 6332652.

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Good practice for conducting and reporting MEG research

Gross, J., Baillet, S., Barnes, G. R., Henson, R. N., Hillebrand, A., Jensen, O., Jerbi, K., Litvak, V., Maess, B., Oostenveld, R., Parkkonen, L., Taylor, J. R., Wassenhovek, V. V., Wibraln, M. & Schoffelen, J-M., 2013, In : NeuroImage. 65, p. 349-363

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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288 Citations (Scopus)
128 Downloads (Pure)

Group-level spatial independent component analysis of Fourier envelopes of resting-state MEG data

Ramkumar, P., Parkkonen, L. & Hyvärinen, A., 2014, In : NeuroImage. 86, 2, p. 480-491

Research output: Contribution to journalArticleScientificpeer-review

16 Citations (Scopus)

Human empathy, personality and experience affect the emotion ratings of dog and human facial expressions

Kujala, M. V., Somppi, S., Jokela, M., Vainio, O. & Parkkonen, L., 1 Jan 2017, In : PloS one. 12, 1, p. 1-18 e0170730.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
13 Citations (Scopus)
155 Downloads (Pure)