Role of gamma-band synchronization in priming of form discrimination for multiobject displays

Hongjing Lu, Robert G. Morrison, John E. Hummel, Keith J. Holyoak

Research output: Contribution to journalArticlepeer-review


Previous research has shown that synchronized flicker can facilitate detection of a single Kanizsa square. The present study investigated the role of temporally structured priming in discrimination tasks involving perceptual relations between multiple Kanizsa-type figures. Results indicate that visual information presented as temporally structured flicker in the gamma band can modulate the perception of multiple objects in a subsequent display. For judgments of both relative orientation and relative position of 2 rectangles, response time to identify and discriminate relations between the objects was consistently decreased when the vertices corresponding to distinct Kanizsa-type rectangles were primed asynchronously. Implications are discussed for models of the perception of objects and their interrelations.

Original languageEnglish (US)
Pages (from-to)610-617
Number of pages8
JournalJournal of Experimental Psychology: Human Perception and Performance
Issue number3
StatePublished - 2006


  • Binding
  • Kanizsa-type figure discrimination
  • Neural synchrony
  • Relation coding
  • Visual priming

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Arts and Humanities (miscellaneous)
  • Behavioral Neuroscience


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