Facilitation and disruption of lateralized syllable processing by unattended stimuli in the opposite visual field

Jerre Levy*, Galit Yovel, Matthew Bean

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The influence of lateralized unattended stimuli on the processing of attended stimuli in the opposite visual field can shed light on the nature of information that is transferred between hemispheres. On a cued bilateral task, participants tried to identify a syllable in the attended visual field, which elicits a left hemisphere (LH) advantage and different processing strategies by the two hemispheres. The same or a different syllable or a neutral stimulus appeared in the unattended field. Transmission of unattended syllable codes between hemispheres is symmetric, as revealed by equal interference for the two visual fields. The LH is more accurate than the RH in encoding unattended syllables, as indicated by facilitation in the left but not right visual field and a greater frequency of identifiable intrusions into the left than right field. However, asymmetric encoding strategies are different for attended and unattended syllables.

Original languageEnglish
Pages (from-to)432-440
Number of pages9
JournalBrain and Language
Volume85
Issue number3
DOIs
StatePublished - Jun 2003
Externally publishedYes

Keywords

  • Callosal transmission
  • Hemispheric asymmetry
  • Inattentive processing
  • Syllable processing

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