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Biomedical subjects

N I Vakoliuk

Publications and source records attributed to N I Vakoliuk.

16 recordsLinked to original sources

[Anatomic correlation between several cortical and subcortical brain structures].

Investigation of frontal brain sections of 10 cats, 30 dogs and 20 people revealed a topographic correlation between certain cortical and subcortical structures: the beginning of fissura. Sylvii (the so-called "fossa Sylvii") and commissura alba cerebri anterior are located always in the same stereotaxic frontal plane. A method of practical application of the revealed topographic correlation is suggested for the stereotaxic operations on higher animals and human beings.

Animals↗

[Electric stimulation of the claustrum and conditioned reflex activity].

In chronic experiments on 8 dogs with electrodes implanted in the claustrum, direct electrical stimulation of the nucleus was accompanied by various behavioural responses (orienting, alimentary, muscle and emotional reactions) and changed the course of subsequent unconditioned and conditioned alimentary reflexes and differentiations to them. The character of behavioural reactions and of influences on reflexes depended on stimulation localization. Comparison of the results permits to assume functional differences between the dorsal and caudal claustrum, and within each of them -- functional differences between the central, lateral and upper nuclear areas. A conclusion is made on the structural heterogeneity and polyfunctionality of the claustrum.

Animals↗