Related Experiment Video
Updated: May 11, 2025
06:46
Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
Published on: March 18, 2019
7.0K
Large-scale functional networks underlying visual attention
Alexander J Cook1, Hee Yeon Im1, Deborah E Giaschi2
1Department of Psychology, The University of British Columbia, 2136 West Mall, Vancouver, British Columbia V6T 1Z4, Canada; BC Children's Hospital, 4480 Oak St., Vancouver, British Columbia, V6H 3V4, Canada.
Neuroscience and Biobehavioral Reviews
|April 17, 2025
Summary
The brain
Area of Science:
- Neuroscience
- Cognitive Psychology
Background:
- Attention networks are brain regions controlling behavior during attentional tasks.
- Definitions vary based on task demands and modalities.
- The Attention Network Task (ANT) models alerting, orienting, and executive control.
Purpose of the Study:
- To review evidence for a unified attention system in visual attention.
- To compare neuroimaging findings across various attention-related tasks.
- To discuss limitations of an independent attention system model.
Main Methods:
- Review of neuroimaging studies (fMRI, EEG, MEG).
- Analysis of tasks including visual cueing, visual search, and divided attention.
- Comparison of evidence supporting a distinct attention system.
Main Results:
- Evidence for distinct networks underlying alerting, orienting, and executive control.
- Variability in network definitions across studies and tasks.
- Neuroimaging data shows overlapping activations for attention and other cognitive processes.
Conclusions:
- The existence of a unified, independent attention system is debated.
- Visual attention involves flexible brain mechanisms rather than a single, isolated system.
- Limitations exist in defining attention solely through specific network models.
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