electrodiagnosis

noun, plural e·lec·tro·di·ag·no·ses [ih-lek-troh-dahy-uh g-noh-seez] /ɪˌlɛk troʊˌdaɪ əgˈnoʊ siz/. Medicine/Medical.

1. diagnosis by the observation of the changes in electric irritability that occur as a result of a disease, as recorded by an electroencephalogram or the like.

n.

1. Determination of the nature of a disease through observation of changes in electrical irritability.