Inclusion Criteria:  aged from 7 to 17 years old required to undergo MRI accompanied by a consenting parent or legal guardian who can understand, read and write either French or English  Exclusion Criteria:  have a diagnosis of epilepsy or any other condition preventing them from playing a virtual reality game cannot stand a sitting or semi-upright sitting position (Fowler's position) during the preparation as the VR gear requires an angle of at least 30 degrees for head-tracking