DAVIE, Fla. (AP) -Zach Thomas still has his sense of humor despite missing four games this season because of a concussion and related symptoms.
The seven-time Pro Bowl linebacker said he remains sidelined because he's lightheaded at times. His cognitive test results are fine, he said.
``It's got nothing to do with the thinking,'' Thomas said after sitting out practice again Thursday. ``Even though I sound a little slow and dumb right now, that's just how I am. When I took that test, I lowered the standard.''
Thomas has been sidelined since he was involved in a car accident driving home from a loss to the New England Patriots on Oct. 21. He missed two games in September with a concussion.
The 34-year-old Thomas has yet to be ruled out of Sunday's game at Philadelphia and said he hopes to return this season. Despite a recent history of concussions and migraines, he plans to play next year.
Doctors have said he must go a week without being lightheaded before he can return.
``I feel like it will go away,'' he said. ``I've just got to have time. ... I don't want it to be problematic in the future, so I'm being patient, but I'm not a patient person.''

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