Effects of coil orientation and magnetic field shield on transcranial magnetic stimulation in cats

Muscle and Nerve

Volumn 21, Issue 9, 1998, Pages 1172-1180

  Nakatoh, Shinichi ^a   Kitagawa, Hideki ^b   Kawaguchi, Yoshiharu ^b   Nakamura, Hiroshi ^b   Takano, Haruo ^c   Tsuji, Haruo ^b  

^a ASAHI GENERAL HOSPITAL   (Japan)

^b UNIVERSITY OF TOYAMA   (Japan)

^c Toyama Koshi Rehabilitation Hospital   (Japan)

Author keywords

Cats; Figure 8 magnetic coli; Magnetic field shield; Magnetic stimulation; Permalloy

Indexed keywords

ANIMAL EXPERIMENT; ARTICLE; CONTROLLED STUDY; ELECTRIC CURRENT; ELECTRIC FIELD; MAGNETIC FIELD; MUSCLE ACTION POTENTIAL; NONHUMAN; PATIENT MONITORING; PRIORITY JOURNAL; SPINAL CORD POTENTIAL; TRANSCRANIAL MAGNETIC STIMULATION;

ACTION POTENTIALS; ANIMALS; CATS; EQUIPMENT DESIGN; EVOKED POTENTIALS; MOTOR CORTEX; MUSCLE, SKELETAL; PHYSICAL STIMULATION; SPINAL CORD; TRANSCRANIAL MAGNETIC STIMULATION;

EID: 0031927656     PISSN: 0148639X     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1097-4598(199809)21:9<1172::AID-MUS8>3.0.CO;2-4     Document Type: Article

References (18)

1. Amassian VE, Cracco RQ, Maccabee PD: Focal stimulation of human cerebral cortex with the magnetic coil: a comparison with electrical stimulation. Electroencephalogr Clin Neurophysiol 1989;74:401-416.
2. Barker AT, Jalinous R, Freeston IL: Non-invasive magnetic stimulation of the human motor cortex. Lancet 1985;i:1106-1107.
3. Eccles JC, Scheid P, Taborikova H: Response of red nucleus neurons to antidromic and synaptic activation. J Neurophysiol 1975;38:947-964.
4. Herdmann J, Lumenta CB, Huse KOW: Magnetic stimulation for monitoring of motor pathways in spine procedures. Spine 1993;18:551-559.
5. Jalinous R: Technical and practical aspects of magnetic nerve stimulation. J Clin Neurophysiol 1991;8:10-25.
6. Kitagawa H, Nakamura H, Kawaguchi Y, Tsuji H, Satone T, Takano H, Nakatoh S: Magnetic-evoked compound muscle action potential neuromonitoring in spine surgery. Spine 1995;20:2233-2239.
7. Lloyd DPC: The spinal mechanism of the pyramidal system in cats. J Neurophysiol 1941;4:525-546.
8. Maccabee PJ, Amassian VE, Eberle LP, Rudell AP, Cracco RQ, Somasundarum M: Measurement of the electric field induced into inhomogeneous volume conductors by magnetic coils: application to human spinal neurogeometry. Electroencephalogr Clin Neurophysiol 1991;81:224-237.
9. Maccabee PJ, Eberle L, Amassian VE, Cracco RQ, Rudell AP, Jayachandra M: Spatial distribution of the electric field induced in volume by round and figure 8 magnetic coil: relevance to activation of sensory nerve fibers. Electroencephalogr Clin Neurophysiol 1990;76:131-141.
10. Mills KR, Boniface SJ, Schubert M: Magnetic brain stimulation with a double coil: the importance of coil orientation. Electroencephalogr Clin Neurophysiol 1992;85:17-21.
11. Nakamura H, Kitagawa H, Kawaguchi Y, Tsuji H, Takano H, Nakatoh S: Intracortical facilitation and inhibition after paired magnetic stimulation in humans under anesthesia. Neurosci Lett 1995;199:155-157.
12. Roth BJ, Saypol MJ, Hallett M, Cohen LG: A theoretical calculation of the electric field induced in the cortex during magnetic stimulation. Electroencephalogr Clin Neurophysiol 1991; 81:47-56.
13. Rushton WAH: Effect upon the threshold for nervous excitation of the length of the nerve exposed and the angle between current and nerve. J Physiol (Lond) 1927;63:357-377.
14. Sugiyama S, Sato T, Yata A, Nakamura T: Shielding effectiveness of permalloy PC. Curr Adv Mater Proc 1989;2:1369.
15. Weissman JD, Epstein CM, Davey KR: Magnetic brain stimulation and brain size: relevance to the animal studies. Electroencephalogr Clin Neurophysiol 1992;85:215-219.
16. Werhahn KJ, Fong JKY, Meyer B-U, Priori A, Rothwell JC, Day BL, Thompson PD: The effect of magnetic coil orientation on the latency of surface EMG and single motor unit responses in the first dorsal interosseous muscle. Electroencephalogr Clin Neurophysiol 1994;93:138-146.
17. Wilson VJ, Peterson BW: Vestibulospinal and reticulospinal systems, in Brooks VE (ed): Handbook of Physiology. Section 1. The Nervous System. Motor Control. Baltimore: Waverly Press, 1981, vol II, pp 667-702.
18. Yunokuchi K, Cohen D: Developing a more focal magnetic stimulator. Part II. J Clin Neurophysiol 1991;8:112-120.