A critical boundary to the left-hemisphere advantage in visual-word processing

Rebecca G. Deason, Chad J. Marsolek

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Two experiments explored boundary conditions for the ubiquitous left-hemisphere advantage in visual-word recognition. Subjects perceptually identified words presented directly to the left or right hemisphere. Strong left-hemisphere advantages were observed for UPPERCASE and lowercase words. However, only a weak effect was observed for AlTeRnAtInG-cAsE words, and a numerical reversal of the typical left-hemisphere advantage was observed for words in a visual prototype font (a very unfamiliar word format). Results support the theory that dissociable abstract and specific neural subsystems underlie visual-form recognition and fail to support the theory that a visual lexicon operates in the left hemisphere.

Original languageEnglish (US)
Pages (from-to)251-261
Number of pages11
JournalBrain and Language
Volume92
Issue number3
DOIs
StatePublished - Mar 2005

Keywords

  • Case alternation
  • Categories
  • Exemplars
  • Functional hemispheric asymmetries
  • Letter case
  • Word recognition

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