Sentence and Word Outline Shape as Co-primes for Target Words Presented to the Two Visual Hemifields

A lexical decision experiment tested visual field stimulation of word targets after priming the central visual field by the target word outline shape and/or an incomplete sentence. In general, RT was shorter and accuracy better for target words presented to the RVF. Responses were quicker and more a...

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Bibliographic Details
Published in:Brain and language 2000-06, Vol.73 (1), p.50-61
Main Authors: Faust, Miriam, Babkoff, Harvey, Avidor-Reiss, Ilanit
Format: Article
Language:English
Subjects:
Adult
Brain - physiology
cerebral asymmetries
Female
Humans
Key Words: lexical decision
Male
Reaction Time
sentence priming
Visual Fields - physiology
visual hemifields
Visual Perception - physiology
Vocabulary
word outline shape
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Summary:A lexical decision experiment tested visual field stimulation of word targets after priming the central visual field by the target word outline shape and/or an incomplete sentence. In general, RT was shorter and accuracy better for target words presented to the RVF. Responses were quicker and more accurate to target words presented to either visual hemifield after priming by either a congruent incomplete sentence or a congruent word outline shape (WOS). However, the joint effect of WOS and an incomplete sentence as co-primes was different when the succeeding word target appeared in the RVF than when it appeared in the LVF. While a congruent WOS and incomplete sentence acting as co-primes reduced RT to LVF targets orthogonally, the two variables operated interactively as co-primes on target words presented to the RVF.
ISSN:0093-934X
1090-2155
DOI:10.1006/brln.2000.2300