Cited by 437Neural and Behavioral Psychology StudiesVisual perception and processing mechanismsVisual Attention and Saliency Detection

Mechanisms of top-down attention

Baluch, Farhan, Itti, Laurent·2011·Trends in Neurosciences

Abstract

Attention exhibits characteristic neural signatures in brain regions that process sensory signals. An important area of future research is to understand the nature of top-down signals that facilitate attentional guidance towards behaviorally relevant locations and features. In this review, we discuss recent studies that have made progress towards understanding: (i) the brain structures and circuits involved in attentional allocation; (ii) top-down attention pathways, particularly as elucidated by microstimulation and lesion studies; (iii) top-down modulatory influences involving subcortical structures and reward systems; (iv) plausible substrates and embodiments of top-down signals; and (v) information processing and theoretical constraints that might be helpful in guiding future experiments. Understanding top-down attention is crucial for elucidating the mechanisms by which we can filter sensory information to pay attention to the most behaviorally relevant events.

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Crossref · 10.1016/j.tins.2011.02.003

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Authors
Baluch, F., & Itti, L.
Affiliations
University of Southern California (US)
Corresponding author
Itti, Laurent
Venue
Trends in Neurosciences
Publisher
Elsevier BV
Published
2011-04
Volume
34
Issue
4
Pages
210-224
ISSN
0166-2236 (ISSN-L)
OpenAlex
W2165728411
Cited by
437
References
141
Citations by year
2026: 20 · 2025: 28 · 2024: 20 · 2023: 28 · 2022: 24 · 2021: 28 · 2020: 43 · 2019: 42 · 2018: 35 · 2017: 27 · 2016: 26 · 2015: 29 · 2014: 34 · 2013: 20 · 2012: 26
FWCI
2.31
Type
journal article
Language
en
Open access
closed
Locations
  • Trends in Neurosciences (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Visual Attention and Saliency Detection
Keywords
top-down attention, attention allocation, attention guidance, microstimulation, lesion studies, subcortical structures, reward systems, sensory filtering
MeSH terms
Animals, Attention, Brain, Brain Mapping, Computer Simulation, Humans, Neural Pathways, Visual Perception

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