Lauri Parkkonen

Professor

Research outputs

  1. 2013
  2. Published

    Noise amplification in parallel whole-head ultra-low-field magnetic resonance imaging using 306 detectors

    Lin, F-H., Vesanen, P. T., Nieminen, J. O., Hsu, Y-C., Zevenhoven, K. C. J., Dabek, J., Parkkonen, L. T., Zhdanov, A. V. & Ilmoniemi, R. J., 2013, In : Magnetic Resonance in Medicine. 70, 2, p. 595-600

    Research output: Contribution to journalArticleScientificpeer-review

  3. Published

    Non-linear canonical correlation for joint analysis of MEG signals from two subjects

    Campi, C., Parkkonen, L., Hari, R. & Hyvärinen, A., 2013, In : Frontiers in Neuroscience. 7, p. 1-7 107.

    Research output: Contribution to journalArticleScientificpeer-review

  4. Published

    Suppressing Multi-Channel Ultra-Low-Field MRI Measurement Noise Using Data Consistency and Image Sparsity

    Lin, F-H., Vesanen, P. T., Hsu, Y-C., Nieminen, J. O., Zevenhoven, K. C. J., Dabek, J., Parkkonen, L. T., Simola, J., Ahonen, A. I. & Ilmoniemi, R. J., 2013, In : PloS one. 8, 4, p. 1-6 e61652.

    Research output: Contribution to journalArticleScientificpeer-review

  5. Published

    Synchrony of brains and bodies during implicit interpersonal interaction

    Hari, R., Himberg, T., Nummenmaa, L., Hämäläinen, M. & Parkkonen, L., 2013, In : TRENDS in Cognitive Sciences. 17, 3, p. 105-106

    Research output: Contribution to journalArticleScientificpeer-review

  6. Published

    Temperature dependence of relaxation times and temperature mapping in ultra-low-field MRI

    Vesanen, P. T., Zevenhoven, K. C. J., Nieminen, J. O., Dabek, J., Parkkonen, L. T. & Ilmoniemi, R. J., 2013, In : JOURNAL OF MAGNETIC RESONANCE. 235, NA, p. 50-57

    Research output: Contribution to journalArticleScientificpeer-review

  7. 2012
  8. Published

    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

  9. Published

    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

  10. Published

    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

  11. Published

    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

  12. Published

    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

  13. Published

    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

  14. Published

    Hybrid ultra-low-field MRI and magnetoencephalography system based on a commercial whole-head neuromagnetometer

    Vesanen, P. T., Nieminen, J. O., Zevenhoven, K. C. J., Dabek, J., Parkkonen, L. T., Zhdanov, A. V., Luomahaara, J., Hassel, J., Penttilä, J., Simola, J., Ahonen, A. I., Mäkelä, J. P. & Ilmoniemi, R. J., 2012, In : Magnetic Resonance in Medicine. 7

    Research output: Contribution to journalArticleScientificpeer-review

  15. Published

    MEG dual scanning: a procedure to study real-time auditory interaction between two persons

    Baess, P., Zhdanov, A., Mandel, A., Parkkonen, L., Hirvenkari, L., Mäkelä, J., Jousmäki, V. & Hari, R., 2012, In : FRONTIERS IN HUMAN NEUROSCIENCE. 6, p. 1-7 83.

    Research output: Contribution to journalArticleScientificpeer-review

  16. Published

    Potential utility of resting-state magnetoencephalography as a biomarker of CNS abnormality in HIV disease

    Becker, J. T., Fabrizio, M., Sudre, G., Haridis, A., Ambrose, T., Aiezenstein, H. J., Eddy, W., Lopez, O. L., Wolk, D. A. & Parkkonen, L., 2012, In : Journal of Neuroscience Methods. 206, 2, p. 176-182

    Research output: Contribution to journalArticleScientificpeer-review

  17. Published

    Validation of head movement correction and spatiotemporal signal space separation in magnetoencephalography

    Nenonen, J., Nurminen, J., Kicic, D., Bikmullina, R., Lioumis, P., Jousmäki, V., Taulu, S., Parkkonen, L., Putaala, M. & Kähkönen, S., 2012, In : Clinical Neurophysiology. 123, 11, p. 2180-2191

    Research output: Contribution to journalArticleScientificpeer-review

  18. 2011
  19. Published

    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

  20. 2010
  21. Published

    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

  22. Published

    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

  23. Published

    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

  24. Published

    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

  25. Published

    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

  26. Published

    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

  27. Published

    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

  28. Published

    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

  29. 2009
  30. Published

    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

  31. Published

    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

  32. Published

    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

  33. Published

    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

  34. Published

    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

  35. Published

    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

  36. Published

    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

  37. Published

    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

  38. Published

    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

  39. 2008
  40. Published

    Early visual brain areas reflect the percept of an ambiquous 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

  41. Published

    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

  42. Published

    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

  43. Published

    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

  44. 2007
  45. Published

    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

  46. Published

    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

  47. 2006
  48. Published

    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

  49. Published

    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

  50. 2005
  51. Published

    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

  52. Published

    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

  53. Published

    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

  54. 2003
  55. Published

    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

  56. Published

    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

  57. 2002
  58. Published

    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

  59. Published

    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

  60. Published

    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

  61. 1999
  62. Published

    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

ID: 86624