The electrically evoked compound action potential: From laboratory to clinic

Shuman He, Holly F.B. Teagle, Craig A. Buchman

Research output: Contribution to journalReview articlepeer-review

67 Scopus citations


The electrically evoked compound action potential (eCAP) represents the synchronous firing of a population of electrically stimulated auditory nerve fibers. It can be directly recorded on a surgically exposed nerve trunk in animals or from an intra-cochlear electrode of a cochlear implant. In the past two decades, the eCAP has been widely recorded in both animals and clinical patient populations using different testing paradigms. This paper provides an overview of recording methodologies and response characteristics of the eCAP, as well as its potential applications in research and clinical situations. Relevant studies are reviewed and implications for clinicians are discussed.

Original languageEnglish
Article number339
JournalFrontiers in Neuroscience
Issue numberJUN
StatePublished - 2017


  • Auditory nerve
  • Clinical application
  • Cochlear implant outco
  • Electrically evoked compound action potential
  • Stimulating paradigm


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