Properties of non-group TAA instances.

A TAA instance is classified as belonging to group if it is one of at least four TAA instances on neighboring contacts of the same electrode. (A) Number of detected TAA instances on the same electrode for each non-group TAA instance. For each detected non-group TAA, we counted the number of TAA instances on the same electrode. Instances that occur in isolation represent 29% of non-group TAA instances and 21% of all TAA instances. A non-group TAA instance can occur on one electrode with more than three other TAA instances if they are non-contiguous. (B) Frequency, duration, and delay from the seizure onset for the detected non-group TAA instances (n = 448) and the group TAA instances (n = 160). Statistical analysis (Mann-Whitney U-test) does not indicate a difference in frequencies (U = 34639.5, p = 0.265), durations (U = 33969.0, p = 0.163), or delays (U = 33732.5, p = 0.135).

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