Magnetic field associated with neural activities in an isolated cerebellum

Yoshio C. Okada; Martin Lauritzen; Charles Nicholson

doi:10.1016/0006-8993(87)91451-X

Magnetic field associated with neural activities in an isolated cerebellum

Yoshio C. Okada^*, Martin Lauritzen, Charles Nicholson

^*Corresponding author for this work

Neuronal Signalling

27 Citations (Scopus)

Abstract

A superconducting sensor was used to measure the magnetic field evoked from the isolated cerebellum of the turtle by brief electrical stimulations of the dorsal surface. The field was generated by neuronal activities, since its amplitude was reduced when Mn²⁺ was applied and completely abolished with tetrodotoxin. In normal bathing medium, the field amplitude at a distance of 17 mm was as much as 1 pT, demonstrating that the magnetic technique can be used to remotely monitor neural activities in regions of 10 mm³ or even less.

Original language	English
Journal	Brain Research
Volume	412
Issue number	1
Pages (from-to)	151-155
Number of pages	5
ISSN	0006-8993
DOIs	https://doi.org/10.1016/0006-8993(87)91451-X
Publication status	Published - 26 May 1987

Keywords

Biomagnetism
Cerebellum
Magnetic evoked field
Magnetoencephalography
Neuromagnetism
Purkinje cell
Turtle

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10.1016/0006-8993(87)91451-X

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AU - Lauritzen, Martin

AU - Nicholson, Charles

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N2 - A superconducting sensor was used to measure the magnetic field evoked from the isolated cerebellum of the turtle by brief electrical stimulations of the dorsal surface. The field was generated by neuronal activities, since its amplitude was reduced when Mn2+ was applied and completely abolished with tetrodotoxin. In normal bathing medium, the field amplitude at a distance of 17 mm was as much as 1 pT, demonstrating that the magnetic technique can be used to remotely monitor neural activities in regions of 10 mm3 or even less.

AB - A superconducting sensor was used to measure the magnetic field evoked from the isolated cerebellum of the turtle by brief electrical stimulations of the dorsal surface. The field was generated by neuronal activities, since its amplitude was reduced when Mn2+ was applied and completely abolished with tetrodotoxin. In normal bathing medium, the field amplitude at a distance of 17 mm was as much as 1 pT, demonstrating that the magnetic technique can be used to remotely monitor neural activities in regions of 10 mm3 or even less.

KW - Biomagnetism

KW - Cerebellum

KW - Magnetic evoked field

KW - Magnetoencephalography

KW - Neuromagnetism

KW - Purkinje cell

KW - Turtle

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JF - Brain Research

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Magnetic field associated with neural activities in an isolated cerebellum

Abstract

Keywords

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