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Science 28 April 1989:
Vol. 244. no. 4903, pp. 432 - 436
DOI: 10.1126/science.2655083
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Articles

Science, Vol 244, Issue 4903, 432-436
Copyright © 1989 by American Association for the Advancement of Science

articles

Recording and interpretation of cerebral magnetic fields

R Hari and OV Lounasmaa

Low Temperature Laboratory, Helsinki University of Technology, Espoo, Finland.

Contemporary brain research progresses along two main lines: the microlevel approach explores single neurons and subcellular elements, while macrolevel studies focus on more complex cerebral functions, including behavior. This review presents results obtained mainly in our laboratory by means of an intermediate method, magnetoencephalography (MEG), which reflects cortical activity of neuronal populations at the level fo cytoarchitectonic areas. Because it is completely noninvasive, MEG can be used to study brain functions that are characteristically human.


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Neural Sources of Focused Attention in Visual Search.
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Spatiotemporal imaging of human brain activity using functional MRI constrained magnetoencephalography data: Monte Carlo simulations.
A. K. Liu, J. W. Belliveau, and A. M. Dale (1998)
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