Feature-based attention modulates feedforward visual processing

Weiwei Zhang, Steven J Luck

Research output: Contribution to journalArticlepeer-review

200 Citations (Scopus)


It is widely believed that attention selects locations at an earlier stage than it selects nonspatial features, but this has been tested only under conditions of minimal competition. We found that, when competition was increased, color-based attention was able to influence the feedforward flow of information in humans within 100 ms of stimulus onset, even for stimuli presented at unattended locations. Thus, color-based attention can operate as early as, and independently from, spatial attention.
Original languageEnglish
Pages (from-to)24-5
Number of pages2
JournalNature Neuroscience
Issue number1
Publication statusPublished - Jan 2009


  • Attention
  • Color
  • Color Vision
  • Contrast Sensitivity
  • Evoked Potentials, Visual
  • Humans
  • Photic Stimulation
  • Space Perception
  • Time Factors
  • Visual Pathways


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