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A Multiplexed Neural Code Governs Dynamic Perception-Action Reconfiguration during Response Inhibition.
Marida Zhupa1, Moritz Mückschel1, Christian Frings2
1TU Dresden.
Journal of Cognitive Neuroscience
|May 5, 2026
Summary
Response inhibition relies on coordinating brainwave frequencies. This study shows phase-amplitude coupling (PAC) between alpha-beta and beta-gamma bands is key for managing perceptual-motor codes during action inhibition.
Area of Science:
- Neuroscience
- Cognitive Neuroscience
- Electrophysiology
Background:
- Action inhibition is crucial for adaptive behavior.
- Perception-action integration involves complex neural dynamics, particularly the interplay of different brainwave frequency bands.
- The precise organization of this interplay during response inhibition remains debated.
Purpose of the Study:
- To investigate the role of temporal coordination between neural frequency bands in response inhibition.
- To elucidate the mechanisms underlying the management of perceptual-motor codes during action control.
- To explore the contribution of phase-amplitude coupling (PAC) to perception-action integration.
Main Methods:
- Analysis of electrophysiological data during response inhibition tasks.
- Investigating cross-frequency interactions, specifically phase-amplitude coupling (PAC), between different brainwave frequency bands (e.g., alpha, beta, gamma).
- Examining the modulation of PAC in relation to perceptual-motor code reconfiguration.
Main Results:
- Reconfiguration of perceptual-motor codes during response inhibition critically depends on temporal coordination between frequency bands via PAC.
- Modulation of alpha-beta and beta-gamma PAC was observed, highlighting their role in orchestrating access and updating of stored associations.
- Evidence suggests a hierarchical neural framework where slower rhythms (alpha phase) gate faster rhythms (beta/gamma representations).
Conclusions:
- Phase-amplitude coupling (PAC) is a key mechanism for orchestrating neural activity during response inhibition.
- Perception-action integration is embedded within a temporally structured, multiplexed neural framework.
- Hierarchical coordination of neural activity by cross-frequency mechanisms governs the dynamic handling of perceptual-motor associations.
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