sentence: Our data from good outcome patients revealed that scalp ‐ recorded ripples ‐ alone , which constituted a small portion ( 16 – 33 % ) of all ripples , are very likely ( > 86 % of chance ) to be localized in areas that were spared during surgery ( not resected or unsampled by icEEG ) , conversely to ripples ‐ on ‐ spikes ( 34 – 49 % of chance ) .