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 | 935 | 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 | 629 | 2000 |
Fenomenologia laadullisen tutkimuksen lähtökohtana J Virtanen Teoksessa J. Metsämuuronen (toim.) Laadullisen tutkimuksen käsikirja …, 2006 | 427 | 2006 |
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 | 394 | 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 | 316 | 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 | 303 | 1999 |
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 | 224 | 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 | 222 | 1996 |
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 | 202 | 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 | 196 | 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 | 193 | 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 | 185 | 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 | 178 | 1999 |
Artifact removal from an electric signal KH Uutela, TB Rantala, JP Virtanen US Patent 7,038,601, 2006 | 172 | 2006 |
Electrode for obtaining a biopotential signal J Virtanen, O Savinen, M Kåll US Patent 7,366,558, 2008 | 150 | 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 | 123 | 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 | 120 | 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 | 116 | 1999 |
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 | 115 | 2011 |
Method for producing illusory magnetic stimulation J Ruohonen, R Ilmoniemi, M Ollikainen, J Virtanen US Patent 6,537,197, 2003 | 113 | 2003 |