Auditory oddball responses in Tursiops truncatus

Matt D. Schalles*, Jason Mulsow, Dorian S. Houser, James J. Finneran, Peter L. Tyack, Barbara Shinn-Cunningham

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Two previous studies suggest that bottlenose dolphins exhibit an “oddball” auditory evoked potential (AEP) to stimulus trains where one of two stimuli has a low probability of occurrence relative to another. However, they reported oddball AEPs at widely different latency ranges (50 vs 500 ms). The present work revisited this experiment in a single dolphin to report the AEPs in response to two tones each assigned probabilities of 0.2, 0.8, and 1 across sessions. The AEP was further isolated from background EEG using independent component analysis, and showed condition effects in the 40-60 ms latency range.

Original languageEnglish
Article number081202
JournalJASA Express Letters
Issue number8
Publication statusPublished - 1 Aug 2021


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