Matthew's parents are concerned about the possibility that he might have either a hearing loss or autism spectrum disorder, as he has not learned to speak and is not responsive to their efforts to speak to him. Which of the following technologies might assist Matthew's physician in making an accurate diagnosis?
A) analysis of evoked potentials
B) PET
C) CT
D) fMRI

Question

Quizplus · Accepted Answer

Analysis of evoked potentials can help to determine if Matthew has a hearing loss by measuring his brain's response to sound. This can rule out or identify hearing loss as a potential cause of his lack of speech and responsiveness. PET, CT, and fMRI may be useful for some diagnoses, but are not specifically tailored to identifying hearing loss or autism spectrum disorder.

Matthew's Parents Are Concerned About the Possibility That He Might