Inclusion Criteria:  epileptic patients: temporal epilepsy or temporal plus epilepsy (temporomesial epilepsy, basal temporal epilepsy, mesio lateral or lateral epilepsy, temporo insular epilepsy, operculo insular epilepsy) patients who underwent video EEG monitoring with recorded seizures (at least one) patients who underwent a brain MRI with DTI sequence before epilepsy surgery patients who did not refuse the use of their clinical and MRI data for this study  Exclusion Criteria:  patients younger than 15 years old patients with previous brain surgery (before MRI) uncompleted MRI sequences (DTI, T1 anatomical)