Lauri Parkkonen

Summary

Affiliation: Helsinki University of Technology
Country: Finland

Publications

  1. doi request reprint Sources of auditory brainstem responses revisited: contribution by magnetoencephalography
    Lauri Parkkonen
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, Finland
    Hum Brain Mapp 30:1772-82. 2009
  2. pmc Early visual brain areas reflect the percept of an ambiguous scene
    Lauri Parkkonen
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, FIN 02015 TKK, Finland
    Proc Natl Acad Sci U S A 105:20500-4. 2008
  3. doi request reprint Characterization of neuromagnetic brain rhythms over time scales of minutes using spatial independent component analysis
    Pavan Ramkumar
    Low Temperature Laboratory, Brain Research Unit, Aalto University School of Science, Aalto, Finland
    Hum Brain Mapp 33:1648-62. 2012
  4. ncbi request reprint Binaural interaction and the octave illusion
    Satu Lamminmäki
    Brain Research Unit, O V Lounasmaa Laboratory, School of Science, Aalto University, P O Box 15100, FI 00076 Aalto, Espoo, Finland
    J Acoust Soc Am 132:1747-53. 2012
  5. doi request reprint Facial expressions of pain modulate observer's long-latency responses in superior temporal sulcus
    Miiamaaria V Kujala
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, FIN 02015 TKK, Finland
    Hum Brain Mapp 30:3910-23. 2009
  6. doi request reprint Comparing MEG and fMRI views to naming actions and objects
    Mia Liljeström
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, Espoo, Finland
    Hum Brain Mapp 30:1845-56. 2009
  7. doi request reprint The brain in time: insights from neuromagnetic recordings
    Riitta Hari
    Brain Research Unit, Low Temperature Laboratory, Aalto University School of Science and Technology, Aalto, Espoo, Finland
    Ann N Y Acad Sci 1191:89-109. 2010
  8. doi request reprint From local to global: Cortical dynamics of contour integration
    Topi Tanskanen
    Helsinki University of Technology, Espoo, Finland
    J Vis 8:15.1-12. 2008
  9. pmc Alterations in spontaneous brain oscillations during stroke recovery
    Kristina Laaksonen
    Brain Research Unit, O V Lounasmaa Laboratory and MEG Core, Aalto NeuroImaging, Aalto University, Aalto, Espoo, Finland
    PLoS ONE 8:e61146. 2013
  10. doi request reprint Group-level spatial independent component analysis of Fourier envelopes of resting-state MEG data
    Pavan Ramkumar
    Brain Research Unit, Low Temperature Laboratory, Aalto University School of Science, PO Box 15100, 00076 Aalto, Finland Electronic address
    Neuroimage 86:480-91. 2014

Detail Information

Publications14

  1. doi request reprint Sources of auditory brainstem responses revisited: contribution by magnetoencephalography
    Lauri Parkkonen
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, Finland
    Hum Brain Mapp 30:1772-82. 2009
    ..The locations of the neural sources corresponding to the magnetic ABR deflections ranged from the auditory nerve to the inferior colliculus. The earliest cortical responses were detectable at the latency of 13 ms...
  2. pmc Early visual brain areas reflect the percept of an ambiguous scene
    Lauri Parkkonen
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, FIN 02015 TKK, Finland
    Proc Natl Acad Sci U S A 105:20500-4. 2008
    ..These percept-related modulations most likely reflect top-down influences that accentuate the neural representation of the perceived object in the early visual cortex and maintain the segregation of objects from the background...
  3. doi request reprint Characterization of neuromagnetic brain rhythms over time scales of minutes using spatial independent component analysis
    Pavan Ramkumar
    Low Temperature Laboratory, Brain Research Unit, Aalto University School of Science, Aalto, Finland
    Hum Brain Mapp 33:1648-62. 2012
    ..The proposed method seems valuable for inferring functional connectivity, stimulus-related modulation of rhythmic activity, and their commonalities across subjects from nonaveraged MEG data...
  4. ncbi request reprint Binaural interaction and the octave illusion
    Satu Lamminmäki
    Brain Research Unit, O V Lounasmaa Laboratory, School of Science, Aalto University, P O Box 15100, FI 00076 Aalto, Espoo, Finland
    J Acoust Soc Am 132:1747-53. 2012
    ..The results demonstrate modified binaural interaction of dichotic tones one octave apart, suggesting that this interaction contributes to pitch perception during the octave illusion...
  5. doi request reprint Facial expressions of pain modulate observer's long-latency responses in superior temporal sulcus
    Miiamaaria V Kujala
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, FIN 02015 TKK, Finland
    Hum Brain Mapp 30:3910-23. 2009
    ....
  6. doi request reprint Comparing MEG and fMRI views to naming actions and objects
    Mia Liljeström
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, Espoo, Finland
    Hum Brain Mapp 30:1845-56. 2009
    ..The present analysis should be helpful in reconciling results of fMRI and MEG studies on high-level cognitive functions...
  7. doi request reprint The brain in time: insights from neuromagnetic recordings
    Riitta Hari
    Brain Research Unit, Low Temperature Laboratory, Aalto University School of Science and Technology, Aalto, Espoo, Finland
    Ann N Y Acad Sci 1191:89-109. 2010
    ..Instrumentation and data analysis methods are rapidly progressing, enabling attempts to decode the four-dimensional spatiotemporal signal patterns to reveal correlates of behavior and mental contents...
  8. doi request reprint From local to global: Cortical dynamics of contour integration
    Topi Tanskanen
    Helsinki University of Technology, Espoo, Finland
    J Vis 8:15.1-12. 2008
    ..These results demonstrate two spatially and temporally distinct stages of visual cortical processing, the first one limited to local features and the second one integrating information at a more global level...
  9. pmc Alterations in spontaneous brain oscillations during stroke recovery
    Kristina Laaksonen
    Brain Research Unit, O V Lounasmaa Laboratory and MEG Core, Aalto NeuroImaging, Aalto University, Aalto, Espoo, Finland
    PLoS ONE 8:e61146. 2013
    ..Our results indicate that temporo-parietal ≈ 10-Hz oscillations are enhanced in the AH during recovery from stroke. Moreover, stroke causes ALFMA, which seems to persist in patients with worse clinical outcome...
  10. doi request reprint Group-level spatial independent component analysis of Fourier envelopes of resting-state MEG data
    Pavan Ramkumar
    Brain Research Unit, Low Temperature Laboratory, Aalto University School of Science, PO Box 15100, 00076 Aalto, Finland Electronic address
    Neuroimage 86:480-91. 2014
    ....
  11. doi request reprint Synchrony of brains and bodies during implicit interpersonal interaction
    Riitta Hari
    Brain Research Unit, O V Lounasmaa Laboratory, Aalto University, Espoo, Finland
    Trends Cogn Sci 17:105-6. 2013
    ..A recent study introduced an elegantly simple motor task to unravel implicit interpersonal behavioral synchrony and brain function during face-to-face interaction...
  12. doi request reprint Oscillatory response function: towards a parametric model of rhythmic brain activity
    Pavan Ramkumar
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, 02015 TKK, Finland
    Hum Brain Mapp 31:820-34. 2010
    ..These results suggest that ORFs could concisely describe brain rhythms during different stimuli, tasks, and pathologies...
  13. doi request reprint Motion sensitivity of human V6: a magnetoencephalography study
    Veronika von Pföstl
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, P O Box 3000, 02015 TKK Espoo, Finland
    Neuroimage 45:1253-63. 2009
    ..This rapid flow of visual information along the medial dorsal visual pathway supports the view that in humans, as in monkeys, the V6 and the connected areas could be involved in online control of visually guided actions...
  14. pmc Phase locking between human primary and secondary somatosensory cortices
    Cristina Simões
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, P O BOX 2200, FIN 02015 HUT, Finland
    Proc Natl Acad Sci U S A 100:2691-4. 2003
    ..The observed SI-SII phase locking would not be reflected in the evoked responses because a considerable part of it was not time-locked to the stimuli. Thus, our finding reveals a unique interaction in the sensorimotor system...