The first being mild symptoms of TBI that are loss of consciousness and/or confusion and disorientation and last less than 30 minutes. People with this type may have cognitive problems such as headaches, difficulty thinking, memory problems, attention deficits, mood swings, and frustration. many of these injuries can be overlooked. Another name for mild head injury is concussion. This is often forgotten at the time of the initial injury and 15 percent of people with mild head trauma have symptoms that last more than a year. Some common symptoms of mild head injury are fatigue, headache, visual disturbances, memory loss, poor attention/concentration, trouble sleeping, dizziness/loss of balance, irritability – emotional disturbances, feelings of depression and seizures. Symptoms may not be present or noticed at the time of injury. They may be delayed for several days or weeks before they appear. The symptoms are often subtle and the injured person often forgets to see their doctor. With a mild head injury, the person may appear normal and often moves normally even if they do not feel or think normally. This makes the diagnosis easily missed. The most important changes that are noticed first are changes in behavior. Students with mild traumatic brain injury typically do not experience significant changes in their academic or language abilities. Next comes the moderate symptoms of TBI. A moderate TBI is defined as a brain injury resulting in loss of consciousness lasting 20 minutes to 5 hours. and students with