
In experiments on cats we recorded somatosensory evoked potentials (SEP) of the spinal cord (SС) in response to stimulation of peripheral nerves of hindpaw in normal cases and sequential transection of the dorsal roots of lumbosacral intumescence. It is shown that the point of breaks of dorsal roots in case of SC injuries can be studied by measuring of the longitudinal distribution of its SEP. We explain the reason for the shifts of the maxima in the longitudinal distribution of the answers at segmental deafferentation
На кошках изучали соматосенсорные вызванные потенциалы (СВП) спинного мозга при стимуляции периферических нервов в норме и при перерезках дорсальных корешков пояснично-крестцового утолщения. Обнаружено специфическое снижения амплитуд компонентов и локальные сдвиги максимумов на продольном распределении СВП. Сделан вывод, что нарушение проводимости корешков можно изучать путем оценки продольного распределения амплитуд компонентов СВП
спинной мозг; вызванные потенциалы; амплитуда; продольное распределение; деафферентация; дорсальный корешок, spinal cord; evoked potentials; amplitude; longitudinal distribution; deafferentation; dorsal root, УДК 612.83
спинной мозг; вызванные потенциалы; амплитуда; продольное распределение; деафферентация; дорсальный корешок, spinal cord; evoked potentials; amplitude; longitudinal distribution; deafferentation; dorsal root, УДК 612.83
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