Integration of audiovisual motion in dorsolateral prefrontal cortical neurons
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We recorded single neurons in macaque dorsolateral prefrontal cortex during visual, auditory, and audiovisual motion. Nearly half of the responsive neurons were multisensory, and a third displayed significant super- or subadditive interactions, while ensemble activity reliably decoded stimulus modality. These findings provide direct evidence that the dorsolateral prefrontal cortex (DLPFC) performs rapid, nonlinear audiovisual integration, extending multisensory computations beyond classical posterior regions into the prefrontal circuits that support cognition.
