On the functions of the motor cortex in reorganization of postural coordinationsстатья
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Дата последнего поиска статьи во внешних источниках: 16 января 2019 г.
Аннотация:A well known function of the motor cortex (MCx) is control of the limb distal musculature, in particular, isolated finger movements during precise and fine hand movements. However, MCx has another function connected with the motor learning process, namely, a suppression of synergies and coordinations interfering with a movement being elaborated. This was shown for various limb movements. However, majority of movements is accompanied by postural adjustment as well. Two experimental models of rearrangement of an innate pattern of the postural adjustment were developed, and MCx was shown during such kind of learning to suppress the activity of structures providing the innate postural patterns. In contrast to the control of limb movements, the MCx influences were found to be bilateral for the postural pattern reorganization. It was revealed recently, however, that a possibility of recovery for the sequential MCx lesions depends on the sequence of the lesions, so, perhaps the role of MCx of different hemispheres in the compensation is different.