Hyperbaric Oxygen Therapy Compared to Cognitive Training in FASD

Inclusion Criteria: * Subject willing and able to sign an informed consent * Age 18 years and older * Diagnosed with FASD by an Israeli expert * Failure to improve after at least one line of conventional therapy * Stable psychological and pharmacological treatment for over three months prior to inclusion Exclusion Criteria: * Inability to attend scheduled clinic visits and/or comply with the study protocol * History of other brain pathologies * Active malignancy * Serious suicidal ideation * Severe or unstable physical disorders at baseline * History of HBOT for any reason prior to study enrollment * Chest pathology incompatible with pressure changes (including active asthma) * Inner ear disease * Contraindications for MRI or inability to perform an awake brain MRI