Sentence:  The patient , on the other hand , is far from neutral ; aside from her specifically regional accent , she reveals by the use of the triad , `` irritable , tense , depressed '' , a certain pedantic itemization that indicates she has some familiarity with literary or scientific language ( i. e. , she must have had at least a high-school education ) , and she is telling a story she has mentally <WSD>rehearsed</WSD> some time before . 
Meaning of the word marked with <WSD> tags:  engage in a rehearsal (of)