Common traumatic brain injury symptoms of brain injury concussion, “I just don’t feel like myself.” Feeling light-headed or dizzy, Difficulty organizing daily tasks, Blurred vision or ringing in the ears, Feeling sad, anxious or listless, Easily irritated or angered, Feeling tired all the time, Trouble with memory, attention or concentration, More sensitive to sounds, lights or distractions, Impaired decision making or problem solving, Difficulty inhibiting behavior – impulsive, Slowed thinking, moving, speaking or reading.For more information http://www.lapublishing.com/blog/2009/veterans-brain-injury-symptoms/