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The present study investigated phonological assembly in the Japanese language. Twenty-eight native Japanese speakers were presented with CVCVCV-structured words and nonwords in hiragana. Participants were asked to make lexical decisions for 25 words and 25 nonwords. In the assembly condition, meaningful words were anagrammed so that participants had to assemble apparently nonsensical morae into a meaningful unit in order to make a lexical decision. The reaction times for the assembly condition were substantially slower (a difference of 1770 ms) than those for the control condition. This result suggests that phonological assembly for three hiragana morae is involved in identifing meaningful words from the Japanese lexicon.

There is little extistent literature that has investigated the process involved in writing Japanese two-morpheme (kanji) compound words. One reason for this scarcity has been the difficulty in devising instruments to measure latencies for writing behaviour. To asnwere this problem, we developed software that enabled us to present auditory stimuli, to measure writing latencies, to track trajectories during the writing of kanji characters, and to assist data analysis. This software runs on the Microsoft Windows 98 Operating System with a commercially available pen-tablet. Technical details of this software will be explained in this paper.

2012年3月20日-23日 岡山大学 C-1-11, 本文データは学協会の許諾に基づきCiNiiから複製したものである