Juha Virtanen
Juha Virtanen
Principal Engineer at GE Healthcare
Verified email at
Cited by
Cited by
Neuronal responses to magnetic stimulation reveal cortical reactivity and connectivity
RJ Ilmoniemi, J Virtanen, J Ruohonen, J Karhu, HJ Aronen, R Näätänen, ...
Neuroreport 8 (16), 3537-3540, 1997
Separate time behaviors of the temporal and frontal mismatch negativity sources
T Rinne, K Alho, RJ Ilmoniemi, J Virtanen, R Näätänen
Neuroimage 12 (1), 14-19, 2000
Processing of novel sounds and frequency changes in the human auditory cortex: magnetoencephalographic recordings
K Alho, I Winkler, C Escera, M Huotilainen, J Virtanen, IP Jääskeläinen, ...
Psychophysiology 35 (2), 211-224, 1998
Spatiotemporal activity of a cortical network for processing visual motion revealed by MEG and fMRI
SP Ahlfors, GV Simpson, AM Dale, JW Belliveau, AK Liu, A Korvenoja, ...
Journal of Neurophysiology 82 (5), 2545-2555, 1999
Instrumentation for the measurement of electric brain responses to transcranial magnetic stimulation
J Virtanen, J Ruohonen, R Näätänen, RJ Ilmoniemi
Medical & biological engineering & computing 37, 322-326, 1999
Effects of interstimulus interval on somatosensory evoked magnetic fields (SEFs): a hypothesis concerning SEF generation at the primary sensorimotor cortex
H Wikström, J Huttunen, A Korvenoja, J Virtanen, O Salonen, H Aronen, ...
Electroencephalography and Clinical Neurophysiology/Evoked Potentials …, 1996
Functional specialization of the human auditory cortex in processing phonetic and musical sounds: a magnetoencephalographic (MEG) study
M Tervaniemi, A Kujala, K Alho, J Virtanen, RJ Ilmoniemi, R Näätänen
Neuroimage 9 (3), 330-336, 1999
Combined mapping of human auditory EEG and MEG responses
M Huotilainen, I Winkler, K Alho, C Escera, J Virtanen, RJ Ilmoniemi, ...
Electroencephalography and Clinical Neurophysiology/Evoked Potentials …, 1998
Test–retest reliability of mismatch negativity for duration, frequency and intensity changes
M Tervaniemi, A Lehtokoski, J Sinkkonen, J Virtanen, RJ Ilmoniemi, ...
Clinical Neurophysiology 110 (8), 1388-1393, 1999
Analysis of speech sounds is left-hemisphere predominant at 100–150 ms after sound onset
T Rinne, K Alho, P Alku, M Holi, J Sinkkonen, J Virtanen, O Bertrand, ...
NeuroReport 10 (5), 1113-1117, 1999
Hemispheric lateralization in preattentive processing of speech sounds
K Alho, JF Connolly, M Cheour, A Lehtokoski, M Huotilainen, J Virtanen, ...
Neuroscience letters 258 (1), 9-12, 1998
Activation of multiple cortical areas in response to somatosensory stimulation: combined magnetoencephalographic and functional magnetic resonance imaging
A Korvenoja, J Huttunen, E Salli, H Pohjonen, S Martinkauppi, JM Palva, ...
Human brain mapping 8 (1), 13-27, 1999
Artifact removal from an electric signal
KH Uutela, TB Rantala, JP Virtanen
US Patent 7,038,601, 2006
Electrode for obtaining a biopotential signal
J Virtanen, O Savinen, M Kåll
US Patent 7,366,558, 2008
Replicability of MEG and EEG measures of the auditory N1/N1m-response
J Virtanen, J Ahveninen, RJ Ilmoniemi, R Näätänen, E Pekkonen
Electroencephalography and Clinical Neurophysiology/Evoked Potentials …, 1998
Electromagnetic recordings reveal latency differences in speech and tone processing in humans
H Tiitinen, P Sivonen, P Alku, J Virtanen, R Näätänen
Cognitive Brain Research 8 (3), 355-363, 1999
Separation of contamination caused by coil clicks from responses elicited by transcranial magnetic stimulation
H Tiitinen, J Virtanen, RJ Ilmoniemi, J Kamppuri, M Ollikainen, ...
Clinical neurophysiology 110 (5), 982-985, 1999
Patient bed in a magnetic resonance imaging apparatus
R Englund, P Nummi, M Nurmirinta, M Seppanen, M Smalen, J Virtanen, ...
US Patent 5,197,474, 1993
Accelerometer-based method for correcting signal baseline changes caused by motion artifacts in medical near-infrared spectroscopy
J Virtanen, T Noponen, K Kotilahti, J Virtanen, RJ Ilmoniemi
Journal of biomedical optics 16 (8), 087005-087005-9, 2011
Method for producing illusory magnetic stimulation
J Ruohonen, R Ilmoniemi, M Ollikainen, J Virtanen
US Patent 6,537,197, 2003
The system can't perform the operation now. Try again later.
Articles 1–20