In this monograph, for the first time in Russian, issues of psychophysiology and pathology of the corpus callosum are presented. In various sections of this original innovative work, almost the entire range of problems and issues relevant to the topic is analyzed - from the features of the anatomical organization of the commissures of the brain to the specifics of cognitive and psychiatric disorders, and an overview of information on various approaches to the structure and structural and functional organization of the corpus callosum is provided. Of particular value to the work is the use of the general theoretical context of the work of the Luriev neuropsychological school to explain the experimental data, as well as the presentation of the author’s own original research. The book is intended for professionals working in various areas of neuroscience.