Affiliation: University of Helsinki
- Activation of multiple cortical areas in response to somatosensory stimulation: combined magnetoencephalographic and functional magnetic resonance imagingA Korvenoja
BioMag Laboratory, Helsinki University Central Hospital, Finland
Hum Brain Mapp 8:13-27. 1999....
- Sensorimotor cortex localization: comparison of magnetoencephalography, functional MR imaging, and intraoperative cortical mappingAntti Korvenoja
Functional Brain Imaging Unit, Helsinki Brain Research Center, Medical Imaging Center, University of Helsinki, Helsinki, Finland
Radiology 241:213-22. 2006..To prospectively evaluate magnetoencephalography (MEG) and functional magnetic resonance (MR) imaging, as compared with intraoperative cortical mapping, for identification of the central sulcus...
- Distribution of cortical activation during visuospatial n-back tasks as revealed by functional magnetic resonance imagingS Carlson
Institute of Biomedicine, Department of Physiology, University of Helsinki, Finland
Cereb Cortex 8:743-52. 1998..The results suggest that the performance of a visuospatial working memory task engages a network of distributed brain areas and that areas in the dorsal visual pathway are engaged in mnemonic processing of visuospatial information...
- A cluster mass permutation test with contextual enhancement for fMRI activation detectionL Tillikainen
Functional Brain Imaging Unit, Helsinki Brain Research Center, Finland
Neuroimage 32:654-64. 2006..Both methods gave qualitatively similar results in the tactile fMRI data. CMPCE seems to be a promising fMRI analysis method, especially if high delineation accuracy is required...
- Reproducibility of fMRI: effect of the use of contextual informationE Salli
Laboratory of Biomedical Engineering, Helsinki University of Technology, Finland
Neuroimage 13:459-71. 2001..Using simulated data, we demonstrated that the contextual clustering method preserves the shapes of activation regions better than the method using spatial smoothing of the data...