(HOUSTON) -- Arizona Congresswoman Gabrielle Giffords continues to make progress in her recovery from a gunshot wound to the head, with the latest reports saying she is now mouthing the lyrics to songs and holding simple conversations.
The New York Times first reported Sunday that Giffords has been mouthing the words to "Twinkle, Twinkle Little Star" and "Happy Birthday." She was also able to hold a phone conversation Sunday with her brother-in-law, astronaut Scott Kelly, who is aboard the International Space Station, telling him, "Hi, I'm good."
Despite her progress, neurological surgeon Dr. Geoffrey Manley says a complete recovery of speech is still up to question.
"This doesn't mean that her speech will be perfect. We don't yet know, but the earlier that one has return of function the more likely you are to see long term recovery in the future," Manley said.
In other signs of progress, the congresswoman's mother said Giffords is now doing squats and repetitive motions to strengthen her muscles and has even beaten one of her nurses at a game of tic-tac-toe.
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