The police find a woman wandering around a parking lot, singing very loudly. they bring her to the hospital; she has no knowledge of what she has been doing for the past 12 hours and is dressed in unfamiliar clothing. this is an example of

Possible injury to the left cerebrum and temporal lobe. Left cerebrum mainly controls speech, problem solving and motor functions. Temporal lobe focusing on tempory memories and since she can't remeber the past 12 hours but can remember before than its mainly located there.