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Sentence and word outline shape as co-primes for target words presented to the two visual hemifields
M Faust1, H Babkoff, I Avidor-Reiss
1Department of Psychology, Bar-Ilan University, Ramat-Gan, Israel. faustm@nauk.biu.ac.il
Abstract:
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.