Concepedia

Multichannel SQUID systems for brain research

A. Ahonen, Matti Hämäläinen, M. Kajola, Jukka Knuutila, O. V. Lounasmaa, J. Simola, Claudia D. Tesche, V. Vilkman

IEEE Transactions on Magnetics · 1991 · 64 citations · 12 references

DOI

Concepts

Abstract

Basic principles of magnetoencephalography (MEG) and neuromagnetic instrumentation are briefly reviewed. A 24-channel system based on planar gradiometer coils and DC-SQUIDs is described. Finally, MEG-experiments of human somatotopy and focal epilepsy are presented.

References

12

Interpreting magnetic fields of the brain: minimum norm estimates

Matti Hämäläinen, Risto J. Ilmoniemi · Medical & Biological Engineering & Computing · 1994 · 2.1K citations

, , +14

Basic mathematical and electromagnetic concepts of the biomagnetic inverse problem

Jukka Sarvas · Physics in Medicine and Biology · 1987 · 1.9K citations

, , +16

Realistic conductivity geometry model of the human head for interpretation of neuromagnetic data

Matti Hämäläinen, Jukka Sarvas · IEEE Transactions on Biomedical Engineering · 1989 · 1K citations

, , +17

Low-noise high-speed dc superconducting quantum interference device magnetometer with simplified feedback electronics

D. Drung, R. Cantor, Mark Peters et al. · Applied Physics Letters · 1990 · 222 citations

, , +15

SQUID magnetometers for low-frequency applications

Tapani Ryh�nen, Heikki Sepp�, Risto J. Ilmoniemi et al. · Journal of Low Temperature Physics · 1989 · 202 citations

, , +14