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Titolo:
Selective spatial attention induces short-term plasticity in human somatosensory cortex
Autore:
Iguchi, Y; Hoshi, Y; Hashimoto, I;
Indirizzi:
Tokyo Inst Psychiat, Dept Integrated Neurosci, Setagaya Ku, Tokyo 1568585,Japan Tokyo Inst Psychiat Tokyo Japan 1568585 Setagaya Ku, Tokyo 1568585,Japan Kanazawa Inst Technol, Tokyo Off, Human Informat Syst Lab, Tokyo, Japan Kanazawa Inst Technol Tokyo Japan Human Informat Syst Lab, Tokyo, Japan Natl Inst Physiol Sci, Dept Integrat Physiol, Okazaki, Aichi 444, Japan Natl Inst Physiol Sci Okazaki Aichi Japan 444 , Okazaki, Aichi 444, Japan
Titolo Testata:
NEUROREPORT
fascicolo: 14, volume: 12, anno: 2001,
pagine: 3133 - 3136
SICI:
0959-4965(20011008)12:14<3133:SSAISP>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
ADULT OWL MONKEYS; EVOKED-POTENTIALS; STIMULATION; SI; REORGANIZATION; REPRESENTATION; ORGANIZATION; AREA;
Keywords:
primary somatosensory cortex; selective attention; short-term plasticity; somatosensory evoked magnetic fields; vibratory stimuli;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
17
Recensione:
Indirizzi per estratti:
Indirizzo: Iguchi, Y Tokyo Inst Psychiat, Dept Integrated Neurosci, Setagaya Ku, 2-1-8 Kamikitazawa, Tokyo 1568585, Japan Tokyo Inst Psychiat 2-1-8 KamikitazawaTokyo Japan 1568585 apan
Citazione:
Y. Iguchi et al., "Selective spatial attention induces short-term plasticity in human somatosensory cortex", NEUROREPORT, 12(14), 2001, pp. 3133-3136

Abstract

Early cognitive process in the primary somatosensory cortex (SI) was studied by measuring somatosensory evoked magnetic fields during selective attention tasks. We used vibratory stimuli to the index or middle finger with a frequency of 100 or 400 Hz for selective discrimination of spatial finger and non-spatial frequency attribute of stimuli. An early M50 component from the SI cortex indicated that the SI regions for the fingers were specifically segregated in a finger discrimination task but not in a frequency discrimination task or in a control condition. The task-dependent and immediate switchover of cortical finger representation demonstrates a dynamic SI activation for spatial information processing. NeuroReport 12:3133-3136 (C) 2001Lippincott Williams & Wilkins.

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Documento generato il 25/01/20 alle ore 09:32:31