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Вид документа : Статья из журнала

РЖ ВИНИТИ 34 (BI24) 95.11-04М3.273

Автор(ы) : Iwamura, Yoshiaki, Iriki, Atsushi, Tanaka, Michio
Заглавие : Bilateral hand representation in the postcentral somatosensory cortex
Источник статьи : Nature. - Gr. Brit., 1994. - Vol. 369, N 6481. - С. 554-556
Аннотация: In accordance with its important role in prehensile activity, a large cortical area is devoted to representation of the digits. Within this large cortical zone in the macaque somatosensory cortex, the complexity of neuronal receptive field characteristics increases from area 3b to areas 1 and 2(refs 1-7). This increase in complexity continues into the upper bank of the intraparietal sulcus, where the somatosensory cortex adjoins the parietal association cortex. In this bank, callosal connections are much denser than in the more anterior part of this cortical zone{8-17}. We have now discovered a substantial number of neurons with receptive fields on the bilateral hands. In was previously thought that neuronal receptive fields were restricted to the contralateral side in this cortical zone. Neurons with bilateral receptive fields were not found after lesioning the postcentral gyrus in the contralateral hemisphere. The majority of these neurons had receptive fields of the most complex types, representing multiple digits, indicating that the interhemispheric transer of information occurs at higler levels of the hierarchical processing in each hemisphere. Япония, Dep. Physiol., Toho Univ. Sch. Med., 5-21-16, Omori-Nishi, Otaki, Tokyo 143. Библ. 30
ГРНТИ : 34.39.17
Предметные рубрики: СЕНСОМОТОРНАЯ КОРА
РУКА
ПРЕДСТАВИТЕЛЬСТВО
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Вид документа : Статья из журнала

РЖ ВИНИТИ 34 (BI51) 96.04-04И7.162

Автор(ы) : Iwamura, Yoshiaki, Tanaka, Michio, Hikosaka, Okihide, Sakamoto, Masahiro
Заглавие : Postcentral neurons of alert monkeys activated by the contact of the hand with objects other than the monkey's own body
Источник статьи : Neurosci. Lett. - 1995. - Vol. 186, N 2-3. - С. 127-130
Аннотация: In the caudal postcentral finger region near or in the anterior bank of the intraparietal sulcus of alert monkeys, the authors found neurons that were activated selectively by the contact of the hand to certain common objects such as bottle brushes, acrylic plates, parts of the stabilized monkey's chair, etc. All of these neurons were not activated when the monkey's hand was contacted with the monkey's own body. The authors concluded that these neurons are concerned with the haptic discrimination of common objects with the selectivity to one of various material variables of objects, and that the process involves differentiation of the object from the aminal's own body. Библ. 15
ГРНТИ : 34.33.27
Предметные рубрики: КОРА БОЛЬШИХ ПОЛУШАРИЙ
ПОСТЦЕНТРАЛЬНЫЕ НЕЙРОНЫ
ТАКТИЛЬНОЕ РАЗЛИЧЕНИЕ
МАТЕРИАЛ
МЯГКОСТЬ
ЖЕСТКОСТЬ
СТАБИЛЬНОСТЬ
ОБЕЗЬЯНЫ
Дата ввода:

Вид документа : Статья из журнала

РЖ ВИНИТИ 34 (BI24) 96.04-04М3.205

Автор(ы) : Iwamura, Yoshiaki, Tanaka, Michio, Hikosaka, Okihide, Sakamoto, Masahiro
Заглавие : Postcentral neurons of alert monkeys activated by the contact of the hand with objects other than the monkey's own body
Источник статьи : Neurosci. Lett. - 1995. - Vol. 186, N 2-3. - С. 127-130
Аннотация: In the caudal postcentral finger region near or in the anterior bank of the intraparietal sulcus of alert monkeys, the authors found neurons that were activated selectively by the contact of the hand to certain common objects such as bottle brushes, acrylic plates, parts of the stabilized monkey's chair, etc. All of these neurons were not activated when the monkey's hand was contacted with the monkey's own body. The authors concluded that these neurons are concerned with the haptic discrimination of common objects with the selectivity to one of various material variables of objects, and that the process involves differentiation of the object from the aminal's own body. Библ. 15
ГРНТИ : 34.39.17
Предметные рубрики: КОРА БОЛЬШИХ ПОЛУШАРИЙ
ПОСТЦЕНТРАЛЬНЫЕ НЕЙРОНЫ
ТАКТИЛЬНОЕ РАЗЛИЧЕНИЕ
МАТЕРИАЛ
МЯГКОСТЬ
ЖЕСТКОСТЬ
СТАБИЛЬНОСТЬ
ОБЕЗЬЯНЫ
Дата ввода:

Вид документа : Статья из журнала

РЖ ВИНИТИ 34 (BI24) 98.05-04М3.262

Автор(ы) : Hiraba, Hisao, Yamaguchi, Yayoi, Iwamura, Yoshiaki
Заглавие : Mastication-related neurons in the orofacial first somatosensory cortex of awake cats
Источник статьи : Somatosens. and Mot. Res. - 1997. - Vol. 14, N 2. - С. 126-137
ГРНТИ : 34.39.17
Предметные рубрики: КОРА БОЛЬШИХ ПОЛУШАРИЙ
СОМАТОСЕНСОРНАЯ КОРА
ОРОФАЦИАЛЬНАЯ ОБЛАСТЬ
ЖЕВАНИЕ
НЕЙРОННАЯ АКТИВНОСТЬ
КОШКИ
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