[Assembly organization of the motor region of the cerebral cortex in adult humans].

  • 1 November 1977
    • journal article
    • abstracts
    • Vol. 73  (11) , 22-30
Abstract
Field IV and adjacent areas of fields VI, VI op, VI p of the human brain cortex were examined. Frontal, sagittal, tangential sections stained after the techniques of Nissle, Brachet, Klüver--Barer, Cajal and Peters demonstrated the motor cortex to contain a great number of local, with rare overlapping, groups of cellular columns, each of them being surrounded with a peculiar vessel-fibrillar capsule. A morphological unit resulted from topographic interdependens of neurons, vessels and fibres is considered as a neuronal assembly which occupies in the cortical space a figure of truncated upset cone or cylinder. Neuronal assemblies are distributed along radiate fibres and radial vessels, do not form regularly alternated raws, central axis of every assembly is perpendicular to the tangent line drawn in the given point of the cortical surface.

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