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  • Title: [Asymmetry of the interaction of transcallosal and thalamocortical flows in the sensorimotor cortex].
    Author: Bianki VL, Bozhko GT, Kharitonov EV, Shramm VA.
    Journal: Fiziol Zh SSSR Im I M Sechenova; 1984 Sep; 70(9):1301-10. PubMed ID: 6500093.
    Abstract:
    The interaction between transcallosal potentials and responses to stimulation of the contralateral sciatic nerve was studied in symmetrical areas of the cat sensorimotor cortex. The interacting responses and the resulting EPs were characterized by a functional interhemisphere asymmetry of an individual form. In transcallosal conditioning with 10-ms interstimuli intervals, the positive components of the EPs prevailed in the left hemisphere. The characteristics of the interhemisphere asymmetry were determined by the animal sex: the spatial--temporal interaction of the flows had different features in different hemispheres, was characterized by unequal markedness of asymmetry of the EP components as well as by opposite character of the asymmetry in animals of different sex. The characteristics of the EP interhemisphere asymmetry seem to be determined by an interaction of dominant foci occurring under these conditions in each of the hemispheres.
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