<unk> s symptoms vary between people and include physical, cognitive, and emotional symptoms. Symptoms may appear immediately or be delayed. Up to one-third of people with<unk>  experience prolonged or persistent<unk>  symptoms, also known as post<unk>  syndrome, which is defined as<unk>  symptoms lasting for 4-weeks or longer in children/adolescents and symptoms lasting for more than 14 days in an adult. The severity of the initial symptoms is the strongest predictor of recovery time in adults. Physical Headaches are the most common mTBI symptom. Others include dizziness, vomiting, nausea, lack of motor coordination, difficulty balancing, or other problems with movement or sensation. Visual symptoms include light sensitivity, seeing bright lights, blurred vision, and double vision. Tinnitus, or a ringing in the ears, is also commonly reported. In one in about seventy<unk> s, concussive convulsions occur, but seizures that take place during or immediately after a<unk>  are not "post-traumatic seizures", and, unlike post-traumatic seizures, are not predictive of post-traumatic epilepsy, which requires some form of structural brain damage, not just a momentary disruption in normal brain functioning. Concussive convulsions are thought to result from temporary loss or inhibition of motor function and are not associated either with epilepsy or with more serious structural damage. They are not associated with any particular sequelae and have the same high rate of favorable outcomes as<unk> s without convulsions. Cognitive and emotional Cognitive symptoms include confusion, disorientation, and difficulty focusing attention. Loss of consciousness may occur, but is not necessarily correlated with the severity of the<unk>  if it is brief. Post-traumatic amnesia, in which events following the injury cannot be recalled, is a hallmark of<unk> s. Confusion, another<unk>  hallmark, may be present immediately or may develop over several minutes. A person may repeat the same questions, be slow to respond to questions or directions, have a vacant stare, or have slurred or incoherent speech. Other mTBI symptoms include changes in sleeping patterns and difficulty with reasoning, concentrating, and performing everyday activities. A<unk>  can result in changes in mood including crankiness, loss of interest in favorite activities or items, tearfulness, and displays of emotion that are inappropriate to the situation. Common symptoms in concussed children include restlessness, lethargy, and irritability.
Concussion
Cerebellar abiotrophy
Tongue thrust
Sinus lift
Banding 
Sidaction
Lateral release 
Exertion