McMurray Bob, Tanenhaus Michael K, Aslin Richard N
Department of Brain and Cognitive Sciences, University of Rochester, Rochester, NY 14627, USA.
Cognition. 2002 Dec;86(2):B33-42. doi: 10.1016/s0010-0277(02)00157-9.
In order to determine whether small within-category differences in voice onset time (VOT) affect lexical access, eye movements were monitored as participants indicated which of four pictures was named by spoken stimuli that varied along a 0-40 ms VOT continuum. Within-category differences in VOT resulted in gradient increases in fixations to cross-boundary lexical competitors as VOT approached the category boundary. Thus, fine-grained acoustic/phonetic differences are preserved in patterns of lexical activation for competing lexical candidates and could be used to maximize the efficiency of on-line word recognition.
为了确定语音起始时间（VOT）在类别内的微小差异是否会影响词汇通达，当参与者指出四张图片中的哪一张与沿0 - 40毫秒VOT连续体变化的口语刺激所命名的图片相匹配时，对他们的眼动进行了监测。随着VOT接近类别边界，VOT在类别内的差异导致对跨边界词汇竞争者的注视梯度增加。因此，在竞争词汇候选词的词汇激活模式中保留了细粒度的声学/语音差异，并且这些差异可用于最大化在线单词识别的效率。
