Word-decoding as a function of temporal processing in the visual system

Steven R. Holloway, Jose Nanez, Aaron R. Seitz

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This study explored the relation between visual processing and word-decoding ability in a normal reading population. Forty participants were recruited at Arizona State University. Flicker fusion thresholds were assessed with an optical chopper using the method of limits by a 1-deg diameter green (543 nm) test field. Word decoding was measured using reading-word and nonsense-word decoding tests. A non-linguistic decoding measure was obtained using a computer program that consisted of Landolt C targets randomly presented in four cardinal orientations, at 3-radial distances from a focus point, for eight compass points, in a circular pattern. Participants responded by pressing the arrow key on the keyboard that matched the direction the target was facing. The results show a strong correlation between critical flicker fusion thresholds and scores on the reading-word, nonsense-word, and non-linguistic decoding measures. The data suggests that the functional elements of the visual system involved with temporal modulation and spatial processing may affect the ease with which people read. Copyright:

Original languageEnglish (US)
Article numbere84010
JournalPLoS One
Volume8
Issue number12
DOIs
StatePublished - Dec 20 2013

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Flicker Fusion
Decoding
Reading
Processing
keyboards
Word Processing
Aptitude
pressing
Fusion reactions
Software
testing
Computer program listings
Population
Modulation
methodology

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Word-decoding as a function of temporal processing in the visual system. / Holloway, Steven R.; Nanez, Jose; Seitz, Aaron R.

In: PLoS One, Vol. 8, No. 12, e84010, 20.12.2013.

Research output: Contribution to journalArticle

Holloway, Steven R. ; Nanez, Jose ; Seitz, Aaron R. / Word-decoding as a function of temporal processing in the visual system. In: PLoS One. 2013 ; Vol. 8, No. 12.
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