ArticleCerebral cortex (New York, N.Y. : 1991)2023
Unexpected sound omissions are signaled in human posterior superior temporal gyrus: an intracranial study.
Article in Cerebral cortex (New York, N.Y. : 1991), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- Conjunctive population coding integrates sensory evidence to guide adaptive behavior.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Diversity of omission responses to visual images across brain-wide regions.Science advances · 2025Article
- Neuronal responses to omitted tones in the auditory brain: A neuronal correlate for predictive coding.Science advances · 2023Article
- Omission responses in local field potentials in rat auditory cortex.BMC biology · 2023Article
- Neural Substrates and Models of Omission Responses and Predictive Processes.Frontiers in neural circuits · 2022Review
- Insights into human cognition from intracranial EEG: A review of audition, memory, internal cognition, and causality.Journal of neural engineering · 2020Review
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Authors and funding
8 authors at 5 institutions in 2 countries.
Funding
Abstract
Context modulates sensory neural activations enhancing perceptual and behavioral performance and reducing prediction errors. However, the mechanism of when and where these high-level expectations act on sensory processing is unclear. Here, we isolate the effect of expectation absent of any auditory evoked activity by assessing the response to omitted expected sounds. Electrocorticographic signals were recorded directly from subdural electrode grids placed over the superior temporal gyrus (STG). Subjects listened to a predictable sequence of syllables, with some infrequently omitted. We found high-frequency band activity (HFA, 70-170 Hz) in response to omissions, which overlapped with a posterior subset of auditory-active electrodes in STG. Heard syllables could be distinguishable reliably from STG, but not the identity of the omitted stimulus. Both omission- and target-detection responses were also observed in the prefrontal cortex. We propose that the posterior STG is central for implementing predictions in the auditory environment. HFA omission responses in this region appear to index mismatch-signaling or salience detection processes.
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Registered trials
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