The effect of lateral visual field presentation in semantic matching for faces and names: An event-related potential study

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  • 顔と名前の意味一致性判断における視野効果―ＥＲＰによる検討―
  • カオ ト ナマエ ノ イミ イッチセイ ハンダン ニ オケル シヤ コウカ ERP ニ ヨル ケントウ
  • : An event-related potential study
  • -ERPによる検討-

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Abstract

To investigate interhemispheric transfer of semantic information, event-related potentials (ERPs) were recorded during performance of a semantic matching task in which face (prime) and given name (target) pairs were sequentially presented to either the left (LVF) or the right visual field (RVF). Twelve right-handed participants were asked to judge whether prime was the same as target in terms of sex. The results were twofold. First, slow negativity in the interval between the prime and the target showed no hemispheric difference for LVF primes, whereas it was larger over the left than the right hemisphere for RVF primes. Second, the N400 priming effect did not vary depending on the combinations of visual field condition. These findings suggested that face information is dominantly transferred from the right to the left hemisphere, compared to the reverse direction, and that this asymmetry does not affect semantic priming effects observed by N400.

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