Does AD&D cover brain damage?

Benefits are payable if you are involved in an accident and you suffer any of the losses indicated below as a result of the accident. Generally, the loss must occur within 90 days of the accidental injury. Exceptions are for coma and brain damage, which must occur or manifest within 30 days of the accidental injury.

https://www.sagaftraplans.org/health/benefits/spd/benefits-under-sag-aftra-health-plan/accidental-death-and-dismemberment#:~:text=Benefits%20are%20payable%20if%20you,days%20of%20the%20accidental%20injury.