. . "RF"@en-us . . . "0"^^ . "05502090-n"^^ . . . "a complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone"@en-us . "105186331"@en-us . "105502090"^^ . "reticular formation"@en-us . . . . . . "reticular formation"^^ . "0"^^ . .