Preprint
Traveling waves shape neural population dynamics enabling predictions and internal model updating
bioRxiv : the preprint server for biology
Cold Spring Harbor laboratory
01/10/2024
DOI: 10.1101/2024.01.09.574848
PMCID: PMC10802392
PMID: 38260606
Abstract
The brain generates predictions based on statistical regularities in our environment. However, it is unclear how predictions are optimized through iterative interactions with the environment. Because traveling waves (TWs) propagate across the cortex shaping neural excitability, they can carry information to serve predictive processing. Using human intracranial recordings, we show that anterior-to-posterior alpha TWs correlated with prediction strength. Learning about priors altered neural state space trajectories, and how much it altered correlated with trial-by-trial prediction strength. Learning involved mismatches between predictions and sensory evidence triggering alpha-phase resets in lateral temporal cortex, accompanied by stronger alpha phase-high gamma amplitude coupling and high-gamma power. The mismatch initiated posterior-to-anterior alpha TWs and change in the subsequent trial's state space trajectory, facilitating model updating. Our findings suggest a vital role of alpha TWs carrying both predictions to sensory cortex and mismatch signals to frontal cortex for trial-by-trial fine-tuning of predictive models.
Details
- Title: Subtitle
- Traveling waves shape neural population dynamics enabling predictions and internal model updating
- Creators
- S Mohanta - University of Wisconsin–MadisonD M ClevelandM Afrasiabi - University of Wisconsin–MadisonA E Rhone - University of IowaU Górska - University of Wisconsin–MadisonM Cooper BorkenhagenR D Sanders - The University of SydneyM Boly - University of Wisconsin SystemK V Nourski - University of IowaY B Saalmann - University of Wisconsin–Madison
- Resource Type
- Preprint
- Publication Details
- bioRxiv : the preprint server for biology
- DOI
- 10.1101/2024.01.09.574848
- PMID
- 38260606
- PMCID
- PMC10802392
- Publisher
- Cold Spring Harbor laboratory; United States
- Language
- English
- Date posted
- 01/10/2024
- Academic Unit
- Iowa Neuroscience Institute; Neurosurgery
- Record Identifier
- 9984548466002771
Metrics
15 Record Views