Sensory Jacksonian seizures

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Abstract
Sensory Jacksonian seizures were analyzed in 42 patients with regard to anatomical and temporal sequences. The origin of sensory Jacksonian seizures, in contrast to motor Jacksonian seizures, often began at peripheral sites with little cortical representation. The progression of seizure activity across the cerebral cortex followed a course that was neither rectilinear, radiate nor random; it appeared to proceed in an organized manner to involve functionally coherent units. The patterns analyzed conformed more closely to cortical somatosensory maps reported for the chimpanzee than the sensory sequences presently available for the cortex of man. Complete diagnostic studies were indicated in patients presenting with sensory Jacksonian seizures because of the frequency of related focal pathology.