Physiological issues following a concussion

Researchers matched nine athletes who had been concussed within the previous 24-hours with nine who had not had a concussion.

Along with self-reported symptoms, participants were evaluated with a computerised neurocognitive test and the measurement of motor evoked potentials (MEPs).

Post-concussion symptoms were more frequent and greater in severity 24 to 72 hours after the injury, and decreased in the following days. Neurocognitive deficits followed a similar pattern. However,changes in MEPs persisted up to 10 days and increased even as

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