1959
DOI: 10.2170/jjphysiol.9.473
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Unitary Study on Evoked Activity of Callosal Neurons and Its Effect on Pyramidal Tract Cell Activity on Cats

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Cited by 56 publications
(16 citation statements)
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References 7 publications
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“…A similar kind of prolonged inhibition was also evoked by stimulating a symmetrical area in the contralateral cortex (Fig. 11), presumably by transcallosal activation, as previously shown by Asanuma & Okamoto (1959). Depth of stimulating electrode (mm) Fig.…”
Section: Inhibition In the Cortex 29supporting
confidence: 79%
See 1 more Smart Citation
“…A similar kind of prolonged inhibition was also evoked by stimulating a symmetrical area in the contralateral cortex (Fig. 11), presumably by transcallosal activation, as previously shown by Asanuma & Okamoto (1959). Depth of stimulating electrode (mm) Fig.…”
Section: Inhibition In the Cortex 29supporting
confidence: 79%
“…Stronger evidence of true cortical inhibition came from subsequent studies of the effects of direct cortical shocks (Creutzfeldt, Baumgartner & Schoen, 1956), and of transcallosal (Creutzfeldt et al 1956; K. KRNJEVIC AND OTHERS Asanuma & Okamoto, 1959) and peripheral stimulation (Mountcastle, 1957;Mountcastle & Powell, 1959), as well as stimulation of the thalamus (Li, 1956), the caudate nucleus (Spehlmann, Creutzfeldt & Jung, 1960) and the pyramidal tract (Suzuki & Tukahara, 1963;. However, even these observations cannot be considered wholly conclusive, since there was little or no evidence that the inhibitory mechanism was operating directly on the observed cortical cells.…”
Section: Introductionmentioning
confidence: 99%
“…In this respect, it is worth noting that symmetrical movements occur quite frequently during the first decade of child development, after which they disappear. Some authors have associated the disappearance of these mirror movements at the age of 10 with the progressive myelination of the corpus callosum (Asanuma & Okamoto, 1959;Asanuma & Okuda, 1962;Ferbert et al, 1992;Nass, 1985).…”
Section: Coordination Constraints During the Coordination Of Homologomentioning
confidence: 99%
“…From these results it seems that many cholinoceptive units are readily activated by transcallosal stimulation, but the excitation evoked by transcallosal volleys, whether orthodromic or antidromic (cf. Feng & Fan, 1957;Asanuma & Okamoto, 1959;Clare, Landau & Bishop, 1961) is distributed relatively evenly throughout the cortex, though possibly with a certain predilection for superficial as opposed to deep cells; hence there is no ground for believing that the callosal pathway is exclusively or even mainly cholinergic. In fact, it seems more likely that the cholinoceptive neurones received various kinds of relatively unspecific innervations, including transcallosal connexions (see also below).…”
Section: Characteristics Of Response To Achmentioning
confidence: 99%
“…They were usually discharging spontaneously in a fast and irregular manner (Martin & Branch, 1958) similar to projection activity. They often gave the characteristic repetitive responses to thalamic stimulation in the specific nuclei and they could be excited by transcallosal volleys (Feng.& Fan, 1957;Purpura & Girado, 1959;Asanuma & Okamoto, 1959;Patton & Amassian, 1960;Asanuma & Okuda, 1962). A good example of the behaviour of Betz cells is given in Text- fig.…”
Section: Excitation Of Betz Cells By Acetylcholinementioning
confidence: 99%