Title :
Multichannel SQUID systems for brain research
Author :
Ahonen, A.I. ; Hamalainen, Matti S. ; Kajola, M.J. ; Knuutila, J.E.T. ; Lounasmaa, O.V. ; Simola, J.T. ; Tesche, C.D. ; Vilkman, V.A.
Author_Institution :
Low Temp. Lab., Helsinki Univ. of Technol., Espoo, Finland
fDate :
3/1/1991 12:00:00 AM
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
Keywords :
SQUIDs; biomagnetism; brain; magnetometers; patient diagnosis; DC-SQUIDs; MEG; MEG-experiments; brain research; focal epilepsy; human somatotopy; magnetoencephalography; multichannel SQUID systems; neuromagnetic instrumentation; planar gradiometer coils; Biochemistry; Electroencephalography; Humans; Instruments; Laboratories; Magnetic field measurement; Magnetic heads; Magnetoencephalography; Neurons; SQUIDs;
Journal_Title :
Magnetics, IEEE Transactions on