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Maximum distance of the pixel with the highest similarity (level 1) to the seed pixel in similarity images for control subjects (Subj1–Subj5, left tapping–black, right tapping–white), ones with right hemiparetic CP (Subj6–Subj8, left tapping–brick, right tapping–dotted), and ones with left hemiparetic CP (Subj9–Subj10, left tapping–trellis pattern, right tapping–horizontal lines).
