Inclusion Criteria:  Admitted to Trauma ED with GCS < 10 due to Traumatic Brain Injury via head CT scan and/or head MRI Primary language is Spanish or English Free of Infection Precautions No canine allergies or fears Consent to Study Obtainable  Exclusion Criteria:  Not meeting inclusion criteria (n=58)  Declined to participate (n=21) No next of kin for consent (n=147) Unsurvivable injury (n=83)