1993 …2020

Research output per year

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Research Output

1993

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

1994

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)
1997

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

Intensity representation in the human auditory cortex

Huotilainen, M., Sinkkonen, J., Tiitinen, H., Ilmoniemi, R., Pekkonen, E., Parkkonen, L. & Näätänen, R., 1997, Espoo, p. 1-4, (TKK Report series of the Laboratory of Acoustics and Audio Signal Processing; no. N:o 42).

Research output: Working paperProfessional

1998

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

1999

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)

Native language, gender, and functional organization of the auditory cortex

Salmelin, R., Schnitzler, A., Parkkonen, L., Biermann, K., Helenius, P., Kiviniemi, K., Kuukka, K., Schmitz, F. & Freund, H-J., 1999, In : Proceedings of the National Academy of Sciences of the United States of America. 96, 18, p. 10460-10465 6 p.

Research output: Contribution to journalArticleScientificpeer-review

48 Citations (Scopus)

Native language affects functional organization of the male auditory cortex

Salmelin, R., Schnitzler, A., Parkkonen, L., Biermann, K., Helenius, P., Kiviniemi, K., Kuukka, K., Schmitz, F. & Freund, H-J., 1999, p. 96, (Satellite Symposium of the 1999 Cognitive Neuroscience Society Meeting, April 10, 1999, Washington, D.C.).

Research output: Working paperProfessional

Native language affects functional organization of the male auditory cortex

Salmelin, R., Schnitzler, A., Parkkonen, L., Biermann, K., Helenius, P., Kiviniemi, K., Kuukka, K., Schmitz, F. & Freund, H-J., 1999, p. 992, (5th International Conference on Functional Mapping of the Human Brain (HBM99), Düsseldorf, Germany, June 22-26, 1999).

Research output: Working paperProfessional

Native language affects functional organization of the male auditory cortex.

Salmelin, R., Schnitzler, A., Parkkonen, L., Biermann, K., Helenius, P., Kiviniemi, K., Kuukka, K., Schmitz, F. & Freund, HJ., 1999, In : Journal of Cognitive Neuroscience. S, p. 96-96 1 p.

Research output: Contribution to journalMeeting AbstractScientificpeer-review

2002

MEG sees deep sources: Measuring and modelling brainstem auditory evoked fields

Parkkonen, L. & Mäkelä, J., 2002, (13th International Conference on Biomagnetism (BIOMAG 2002), Jena, Germany, August 10-14, 2002).

Research output: Working paperProfessional

Phantom tests of SSP noise compensation in magnetocardiographic recordings

Karvonen, M., Nenonen, J., Hamalainen, M., Parkkonen, L., Liehr, M., Schreiber, J., Montonen, J., Haueisen, J. & Katila, T., 2002, p. 1015-1017, (13th Internationational Conference on Biomagnetism, Jena, Saksa, 10.-14.8.2002).

Research output: Working paperProfessional

Phase-locking between human SI and SII cortices

Cristina, J., Parkkonen, L. & Hari, R., 2002, Espoo, p. 1-16, (Low Temperature Laboratory Publications; no. TKK-KYL-007).

Research output: Working paperProfessional

2003

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)

Method and apparatus for eliminating background interference signals from multichannel signal measurements

Simola, J., Tuoriniemi, J., Kajola, M., Parkkonen, L. & Ahonen, A., 2003, Patent No. USAUS 6,538,436 B1FI112399Mar. 25, 2003

Research output: Patent

Phase locking between human primary and secondary somatosensory cortices

Simões, C., Jensen, O., Parkkonen, L. & Hari, R., 2003, In : PNAS. 100, 5, p. 2691-2694

Research output: Contribution to journalArticleScientificpeer-review

64 Citations (Scopus)
2004

Speech-sound discrimination in neonates as measured with MEG

Kujala, A., Huotilainen, M., Hotakainen, M., Lennes, M., Parkkonen, L., Fellman, V. & Näätänen, R., 1 Sep 2004, In : Neuroreport. 15, 13, p. 2089-2092 4 p.

Research output: Contribution to journalArticleScientificpeer-review

35 Citations (Scopus)
2005

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

Short-term memory functions of the human fetus recorded by magnetoencephalography

Huotilainen, M., Kujala, A., Hotakainen, M., Parkkonen, L., Taulu, S., Simola, J., Nenonen, J., Karjalainen, M. & Näätänen, R., 2005, In : Neuroreport. 16, 1, p. 81-84

Research output: Contribution to journalArticleScientificpeer-review

76 Citations (Scopus)

What it takes to run an MEG/EEG experiment

Parkkonen, L., 2005, 11th Annual Meeting of the Organization for Human Brain Mapping, Toronto, Ontario, Canada, June 12-16, 2005-09-08. Zilles, K., Poline, J-B. & Grady, C. (eds.). Toronto

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

2006

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

Immaturity of somatosensory cortical processing in human newborns

Lauronen, L., Nevalainen, P., Wikström, H., Parkkonen, L., Okada, Y. & Pihko, E., 15 Oct 2006, In : NeuroImage. 33, 1, p. 195-203 9 p.

Research output: Contribution to journalArticleScientificpeer-review

46 Citations (Scopus)

Modulation of brain and behavioral responses to cognitive visual stimuli with varying signal-to-noise ratios

Sorrentino, A., Parkkonen, L., Piana, M., Massonen, A. M., Narici, L., Carozzo, S., Riani, M. & Sannita, W., 2006, In : Clinical Neurophysiology. 117, p. 1098-1105

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)
2007

Particle filters: A new method for reconstructing multiple current dipoles from MEG data

Sorrentino, A., Parkkonen, L. & Piana, M., 2007, The 15th International Conference on Biomagnetism, Vancouver, BC Canada, August 21-25, 2006. Elsevier, p. 173-176

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

15 Citations (Scopus)

Particle filters and RAP-MUSIC in MEG source modelling: A comparison

Pascarella, A., Sorrentino, A., Piana, M. & Parkkonen, L., 2007, The 15th International Conference on Biomagnetism, Vancouver, BC Canada, August 21-25. 2006. Elsevier, p. 161-164

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

4 Citations (Scopus)
2008

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)

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)

MEG in the study of higher cortical functions

Hari, R. & Parkkonen, L., 2008, Event-related Potentials in Patients with epilepsy: from Current State to Future Prospects (Progress in Epileptic Disorders, Vol. 5). Ikeda, A. & Inoue, Y. (eds.). UK: John Libbey, p. 103-112

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

Recording epileptic activity with MEG in a light-weight magnetic shield

De Tiège, X., Op de Beeck, M., Funke, M., Legros, B., Parkkonen, L., Goldman, S. & Van Bogaert, P., 2008, In : Epilepsy research. 82, p. 227-231

Research output: Contribution to journalArticleScientificpeer-review

34 Citations (Scopus)
2009

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

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 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)

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)

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)

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)

Method for Interference Suppression in a Measuring Device

Kajola, M., Parkkonen, L., Simola, J. & Taulu, S., 23 Jul 2009, Patent No. US2009184709 (A1)

Research output: Patent

Motion sensitivity of human V6: A magnetoencephalography study

von Pföstl, V., Stenbacka, L., Vanni, S., Parkkonen, L., Galletti, C. & Fattori, P., 2009, In : NeuroImage. 45, 4, p. 1253-1263

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)

Sources of auditory brainstem responses revisited: Contribution by magnetoencephalography

Parkkonen, L., Fujiki, N. & Mäkelä, J., 2009, In : Human Brain Mapping . 30, 6, p. 1772-1782

Research output: Contribution to journalArticleScientificpeer-review

83 Citations (Scopus)
2010

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

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)

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)

Independent component analysis of short-time Fourier transforms for spontaneous EEG/MEG analysis

Hyvärinen, A., Ramkumar, P., Parkkonen, L. & Hari, R., 2010, In : NeuroImage. 49, 1, p. 257-271

Research output: Contribution to journalArticleScientificpeer-review

117 Citations (Scopus)

Instrumentation and Data Preprocessing

Parkkonen, L., 1 Sep 2010, MEG: An Introduction to Methods. Oxford University Press, p. 1-41 41 p.

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

8 Citations (Scopus)

Measurements

Parkkonen, L. & Salmelin, R., 2010, MEG: An Introduction to Methods. Hansen, P. C., Kringelbach, M. L. & Salmelin, R. (eds.). New York: Oxford University Press, p. 65-74

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

3 Citations (Scopus)

Oscillatory response function: Towards a parametric model of rhythmic brain activity

Ramkumar, P., Parkkonen, L. & Hari, R., 2010, In : Human Brain Mapping. 31, 5, p. 820-834

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

The brain in time: insights from neuromagnetic recordings

Hari, R., Parkkonen, L. & Nangini, C., Mar 2010, In : Annals of the New York Academy of Sciences. 1191, p. 89-109

Research output: Contribution to journalReview ArticleScientificpeer-review

68 Citations (Scopus)
2011

Magnetocardiography with sensors based on giant magnetoresistance

Pannetier-Lecoeur, M., Parkkonen, L., Sergeeva-Chollet, N., Polovy, H., Fermon, C. & Fowley, C., 11 Apr 2011, In : Applied Physics Letters. 98, 15, 153705.

Research output: Contribution to journalArticleScientificpeer-review

59 Citations (Scopus)

rtMEG: A Real-Time Software Interface for Magnetoencephalography

Sudre, G., Parkkonen, L., Bock, E., Baillet, S., Wang, W. & Weber, D. J., 2011, In : COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE. 2011, Article ID 327953

Research output: Contribution to journalArticleScientificpeer-review

39 Citations (Scopus)