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Updated: Apr 19, 2026

Eye Movement Monitoring of Memory
Published on: August 15, 2010
Enhancing long-term memory with stimulation tunes visual attention in one trial
Robert M G Reinhart1, Geoffrey F Woodman2
1Department of Psychology, Center for Integrative and Cognitive Neuroscience, Vanderbilt Vision Research Center, Vanderbilt University, Nashville, TN 37240.
Noninvasive brain stimulation can speed up attention by altering long-term memory, not working memory. This challenges current attention theories by suggesting long-term memory plays a key role in visual search efficiency.
Area of Science:
- Cognitive Neuroscience
- Neuroscience
- Psychology
Background:
- Attention mechanisms are thought to be controlled by memory representations, particularly working memory.
- Current theories posit that working memory provides top-down control for attentional selection of task-relevant objects.
Purpose of the Study:
- To investigate the role of memory representations in attentional control.
- To examine the effects of noninvasive brain stimulation on attention and memory.
Main Methods:
- Noninvasive brain stimulation (medial-frontal cortex and posterior parietal cortex) was applied for 20 minutes.
- Electrophysiological signals were recorded to assess changes in memory and attention.
- Perceptual tasks involving visual search were used to measure attentional tuning.
Main Results:
- Stimulation over medial-frontal cortex accelerated attentional tuning, linked to changes in long-term memory signals, not working memory.
- Stimulation over posterior parietal cortex directly impacted perceptual processing, not memory-based top-down control.
- Findings challenge prevailing theories by highlighting the role of long-term memory in attention.
Conclusions:
- Rapid improvements in attentional efficiency may stem from alterations in long-term memory storage.
- Noninvasive brain stimulation offers a tool to probe the interplay between memory and attention.
- The study suggests a revision of dominant attention theories is needed.
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