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Role of neuronal oscillations in memory driven visual processing
Yeganeh Shaverdi1, Seyed Kamaledin Setarehdan2, Stefan Treue3,4
1Control and Intelligent Processing Center of Excellence, School of Electrical and Computer Engineering, College of Engineering, University of Tehran, Tehran, Iran. y.shaverdi@ut.ac.ir.
BMC Biology
|May 1, 2026
Summary
Working memory refines navigation by modulating eye movements. Successful memory of locations reduces saccade synchronization with beta oscillations, optimizing visual search efficiency in primates.
Area of Science:
- Neuroscience
- Cognitive Science
- Primate Behavior
Background:
- Working memory for spatial information is crucial for primate navigation.
- The influence of working memory on sensory-motor exploration strategies is not well understood.
- This study investigates the link between working memory, eye movements, and neural activity.
Purpose of the Study:
- To explore how working memory impacts sensory-motor probing during navigation.
- To investigate the coupling between saccadic eye movements and neural oscillations in the frontal eye field.
- To understand the neural mechanisms underlying memory-guided navigation.
Main Methods:
- Analysis of local field potentials (LFPs) and saccadic eye movements in rhesus monkeys.
- Utilizing a visual foraging task to assess navigation and memory.
- Examining neural synchronization patterns, particularly beta rhythms, during task performance.
Main Results:
- Working memory influences saccadic behavior through a specific coupling with beta rhythms.
- Prior memory of visual targets led to reduced saccade synchronization with beta oscillations.
- This modulation suggests working memory refines saccadic strategies for efficient visual search.
Conclusions:
- Working memory impacts sensory-motor integration via dynamic modulation of neural synchronization.
- Neural oscillatory adjustments, specifically in beta rhythms, play a key role.
- These findings enhance our understanding of how memory guides strategic eye movements and perception.
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