Impact of Emotional Mimicry and Oxytocin on Frontotemporal Dementia

Inclusion Criteria: Patients: * Ages 30-85 * meet consensus criteria for probable behavioural variant FTD (bvFTD) Controls: * Age and sex matched with patients * Mini-Mental State Exam (MMSE) scores \>27 Exclusion Criteria: Patients: * history of stroke * intracranial haemorrhage or other medical or neurological disorder apart from FTD that could affect cognition * diagnosis of bipolar disorder or schizophrenia not better accounted for by the diagnosis of FTD * cognitive impairment that precludes comprehension of task instructions * contraindication to MRI scanning * severe language or memory deficits that preclude participation in the study visits and measures * females who are pregnant or breastfeeding (a pregnancy test will be done on females who have not completed menopause). * uncontrolled hypertension * bradycardia (rate \<48 bpm) or tachycardia (rate \> 100 bpm) * current use of prostaglandins Controls: * history of stroke * intracranial haemorrhage or other medical or neurological disorder * diagnosis of bipolar disorder or schizophrenia * cognitive impairment that precludes comprehension of task instructions * contraindication to MRI scanning * severe language or memory deficits that preclude participation in the study visits and measures * females who are pregnant or breastfeeding (a pregnancy test will be done on females who have not completed menopause). * uncontrolled hypertension * bradycardia (rate \<48 bpm) or tachycardia (rate \> 100 bpm) * current use of prostaglandins