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Related Experiment Video

Updated: Feb 27, 2026

Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice
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Theta oscillations locked to intended actions rhythmically modulate perception.

Alice Tomassini1, Luca Ambrogioni1, W Pieter Medendorp1

  • 1Donders Institute for Brain, Cognition and Behavior, Centre for Cognition, Radboud University, Nijmegen, Netherlands.

Elife
|July 8, 2017
PubMed
Summary

Brain oscillations, specifically theta waves, synchronize perception and voluntary movement initiation. This neural coupling occurs early in motor planning, influencing how we perceive sensory information before acting.

Keywords:
action-perception couplinghumanneuronal oscillationsneurosciencephasesensorimotortheta

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Human Motor Control

Background:

  • Brain oscillations are known to modulate perception and are reset by external stimuli.
  • Voluntary actions are associated with rhythmic brain activity, suggesting a potential link with perception.

Purpose of the Study:

  • To investigate the neurophysiological basis of sensorimotor coupling in humans.
  • To link the dynamics of electroencephalography (EEG) oscillatory activity during motor preparation with perceptual dynamics.

Main Methods:

  • Analysis of trial-by-trial electroencephalography (EEG) oscillatory activity during preparation for two distinct visual and motor tasks.
  • Correlation of theta oscillation phase (~4 Hz) with perceptual performance and movement onset.

Main Results:

  • The phase of theta oscillations predicted perceptual performance over 1 second prior to movement onset.
  • Theta oscillations were found to be phase-locked to the initiation of movement.
  • The temporal alignment and perceptual relevance of theta phase exhibited similar non-monotonic profiles, indicating a relationship.

Conclusions:

  • Perception and movement initiation are automatically synchronized via neural oscillatory activity in the theta range.
  • This synchronization occurs early in the motor planning stages, demonstrating a fundamental sensorimotor coupling.