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Related Experiment Video

Updated: Nov 2, 2025

Infant Auditory Processing and Event-related Brain Oscillations
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Predictive visuo-motor communication through neural oscillations.

Alessandro Benedetto1, Paola Binda1, Mauro Costagli2

  • 1Department of Translational Research on New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy.

Current Biology : CB
|June 10, 2021
PubMed
Summary
This summary is machine-generated.

Brain oscillations synchronize action and perception for precise timing. This study reveals rhythmic neural communication between motor and sensory cortices, supporting the "communication through coherence" theory for coordinated behavior.

Keywords:
7T BOLDcommunication through coherenceendogenous oscillationssensory-motor processestheta phase-resetvision and actionvisual cortexvisual discrimination

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Systems Neuroscience

Background:

  • Coordinating action and perception over time is crucial but poorly understood.
  • The brain requires temporally precise communication, considering variable sensory-motor delays.
  • Communication through coherence, via synchronized brain oscillations, is a proposed mechanism for flexible inter-areal communication.

Purpose of the Study:

  • To investigate the neural mechanisms underlying action-perception coordination.
  • To explore the role of synchronized brain oscillations in sensory-motor timing.
  • To overcome the temporal resolution limitations of fMRI for studying neural oscillations.

Main Methods:

  • Introduced a novel fMRI paradigm using perturbative signals to probe neural oscillations.
  • Assessed how synchronized endogenous rhythms modulate cortical excitability.
  • Recorded BOLD (Blood-Oxygen-Level-Dependent) responses to stimuli at different oscillation phases.

Main Results:

  • Observed rhythmic BOLD oscillations in the visual cortex (V1) synchronized by voluntary action.
  • Found these oscillations were in-phase with behaviorally measured theta-range visual sensitivity.
  • Demonstrated oscillating functional connectivity between V1 and the primary motor cortex (M1).

Conclusions:

  • The findings demonstrate oscillatory temporal coupling between primary motor and sensory cortices.
  • This supports the 'communication through coherence' theory for precise sensory-motor coordination.
  • The study implicates synchronized neural activity in encoding sensory-motor timing.