There are some common physical, mental, and emotional symptoms a person may display following a concussion. Any of these could be a sign of traumatic brain injury:
* confusion or feeling dazed
* clumsiness
* slurred speech
* nausea or vomiting
* headache
* balance problems or dizziness
* blurred vision
* sensitivity to light
* sensitivity to noise
* sluggishness
* ringing in ears
* behavior or personality changes
* concentration difficulties
* memory loss