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Titolo:
SOMATOSENSORY-EVOKED MAGNETIC-FIELDS FOLLOWING STIMULATION OF THE LIPIN HUMANS
Autore:
HOSHIYAMA M; KAKIGI R; KOYAMA S; KITAMURA Y; SHIMOJO M; WATANABE S;
Indirizzi:
NATL INST PHYSIOL SCI,DEPT INTEGRAT PHYSIOL OKAZAKI AICHI 444 JAPAN NATL INST PHYSIOL SCI,DEPT INTEGRAT PHYSIOL OKAZAKI AICHI 444 JAPAN
Titolo Testata:
Electroencephalography and clinical neurophysiology. Evoked potentials
fascicolo: 2, volume: 100, anno: 1996,
pagine: 96 - 104
SICI:
0168-5597(1996)100:2<96:SMFSOT>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
NERVE-STIMULATION; TRIGEMINAL NERVE; ELECTRICAL-STIMULATION; SENSORIMOTOR CORTEX; MEDIAN NERVE; POTENTIALS; LOCALIZATION; HAND; AREA;
Keywords:
SOMATOSENSORY EVOKED MAGNETIC FIELDS; MAGNETOENCEPHALOGRAPHY; SQUID; LIP; SENSORY CORTEX;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
35
Recensione:
Indirizzi per estratti:
Citazione:
M. Hoshiyama et al., "SOMATOSENSORY-EVOKED MAGNETIC-FIELDS FOLLOWING STIMULATION OF THE LIPIN HUMANS", Electroencephalography and clinical neurophysiology. Evoked potentials, 100(2), 1996, pp. 96-104

Abstract

The topography of somatosensory evoked magnetic fields (SEFs) following stimulation of the upper and lower lips was investigated in 6 normal subjects. When the lateral side of the upper lip was stimulated, P20m and its counterpart, N20m, were identified in the hemisphere contralateral to the stimulated side, The equivalent current dipoles (ECDs) of N20m-P20m were considered to be located in the lip area of the primary sensory cortex (SI). Middle latency deflections (N40m-P40m, N60m-P60m, and N80m-P80m) were identified in bilateral hemispheres. Their ECDs were located in the SI in both hemispheres. Long latency deflections(P110m-N110m) were recognized in both hemispheres, and their ECDs were located inferior to the Si, in an area considered to be the secondary sensory cortex (SII), When the midline of the lip was stimulated, similar short and middle latency deflections were also identified, but SII deflections (P110m-N110m) were decreased in amplitude. When the lower lip was stimulated, the ECDs of short and middle latency deflections were located at a site in the SI inferior to or near those elicited by upper lip stimulation. The ECDs of P110m-N110m were located in an area of the SII similar to that upon stimulation of the upper lip, but their orientations were different.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/01/20 alle ore 20:31:44