What are the latent signs of concussion?

Several: Headache, decreased cognitive functioning, difficulty concentrating, memory loss, lack of , coordination, dizziness, dilated or unequal pupils, nausea, repeated vomiting, blurred or double vision, slurred speech, emotional outbursts, ......

Altered cognitive: Latent signs are those that are ones that persist for extensive time. these include difficulty with attention, focus and distractibility, as well as emotional lability. Sleep disturbance can be a persistent problme.