80 children in the age from 5 till 15 with residual cerebral insufficiency have been examined: 43 children with undifferentiated connective tissue displasia (UCTD) and 37 patients without these symptoms. For revealing fenotipic attrebutes of UCTD Glesby`s scale (1989) was used. In our research we estimated clinical condition, neurological status if the child and standard complex of additional studies, such as X-ray filming of cervical region of spine, ultrasound research of cerebral and cervical vessels, neuroimaging. Comparing complaints, clinical and instrumental signs the significant differences between two groups were finded.