Hodgkin's Disease and Chemotherapy Before 40 Years

"Patients will undergo 3 morphological and functional MRI scans (during rest and activity) on the 3T MRI scanner at St Philibert Hospital (Lille, France) at 0 (M0), 6 (M6) and 12 (M12) months.~The controls will perform a single functional MRI on the 3T MRI."

"3 neuropsychological assessments will be carried out at M0, M6 and M12, by the same neuropsychologist for all patients included.~Controls will undergo the same neuropsychological assessments, but only once."