Neurobiological and Cognitive Changes Following Exposure to Either Sevoflurane- or Propofol-based Anesthesia in Children

The child will be randomized via a block design to receive either a volatile anesthetic (induction: sevoflurane), or total intravenous anesthetic technique (induction: propofol)

The child will be randomized via a block design to receive either a volatile anesthetic (induction: sevoflurane), or total intravenous anesthetic technique (induction: propofol)

Each patient will receive Ametop local anesthetic to the dorsum of both hands 30-45 minutes prior to induction.

Each patient will receive the antiemetic ondansetron 0.1mg/kg IV.