Traumatic Brain Injury (TBI) is a common injury, with an increasing number of patients presenting after military combat overseas.  With greater frequency, psychiatrists are being asked to treat the psychiatric sequelae of TBI.  This issue brings together neurologists and psychiatrists to examine TBI from every angle.  Among the many topics discussed are pathophysiology of TBI; blast injury and the brain; mild TBI: acute diagnosis and management; neuroimaging in TBI; neuropsycological assessment of frontal lobe injury; role of neurofeedback in TBI; neurobehavioral sequelae of TBI; TBI and the war in Iraq; neurorehavilitation; role and impact of cognitive rehabilitation; personalized medicine in asymptomatic TBI; medical legal issues and TBI.