Amanda Bynes On the Move

8/16/2013 7:58 AM PDT
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Amanda Bynes has been transferred to the UCLA Medical Center for further treatment of her mental illness ... TMZ has learned.

Amanda was shielded by a blanket as she was taken Thursday from the psychiatric facility in Ventura County to UCLA.  We're told her mom -- who is now Amanda's temporary conservator -- wanted the actress admitted to UCLA because it has one of the best psych facilities in the nation.

Our sources say Amanda would have been transferred earlier but a bed wasn't available until Thursday.

As TMZ first reported ... we're told Amanda has shown clear signs of schizophrenia ... but doctors continue to perform tests to evaluate her condition.