journal article Open Access May 06, 2024

Carrier‐frequency specific omission‐related neural activity in ordered sound sequences is independent of omission‐predictability

European Journal of Neuroscience Vol. 60 No. 1 pp. 3812-3820 · Wiley
View at Publisher Save 10.1111/ejn.16381
Abstract
Abstract
Regularities in our surroundings lead to predictions about upcoming events. Previous research has shown that omitted sounds during otherwise regular tone sequences elicit frequency‐specific neural activity related to the upcoming but omitted tone. We tested whether this neural response is depending on the unpredictability of the omission. Therefore, we recorded magnetencephalography (MEG) data while participants listened to ordered or random tone sequences with omissions occurring either ordered or randomly. Using multivariate pattern analysis shows that the frequency‐specific neural pattern during omission within ordered tone sequences occurs independent of the regularity of the omissions. These results suggest that the auditory predictions based on sensory experiences are not immediately updated by violations of those expectations.
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