ArticleClinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology2024
A role for retro-splenial cortex in the task-related P3 network.
Article in Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- The Cortical Source of the P300 ERP Generator in the Associative Learning Task: A Consensus of Four Inversion Algorithms.Brain sciences · 2026Article
- Combined MEG and EEG suggest a limbic source network of the P3 including retrosplenial cortex and hippocampus.bioRxiv : the preprint server for biology · 2025Article
- Attenuated processing of vowels in the left temporal cortex predicts speech-in-noise perception deficit in children with autism.Journal of neurodevelopmental disorders · 2024Article
- Perceptual awareness of near-threshold tones scales gradually with auditory cortex activity and pupil dilation.iScience · 2024Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveThe P3 is an event-related response observed in relation to task-relevant sensory events. Despite its ubiquitous presence, the neural generators of the P3 are controversial and not well identified.
methodsWe compared source analysis of combined magneto- and electroencephalography (M/EEG) data with functional magnetic resonance imaging (fMRI) and simulation studies to better understand the sources of the P3 in an auditory oddball paradigm.
resultsOur results suggest that the dominant source of the classical, postero-central P3 lies in the retro-splenial cortex of the ventral cingulate gyrus. A second P3 source in the anterior insular cortex contributes little to the postero-central maximum. Multiple other sources in the auditory, somatosensory, and anterior midcingulate cortex are active in an overlapping time window but can be functionally dissociated based on their activation time courses.
conclusionsThe retro-splenial cortex is a dominant source of the parietal P3 maximum in EEG. SIGNIFICANCE: These results provide a new perspective for the interpretation of the extensive research based on the P3 response.
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Registered trials
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