期刊
JOURNAL OF COGNITIVE NEUROSCIENCE
卷 33, 期 4, 页码 725-738出版社
MIT PRESS
DOI: 10.1162/jocn_a_01675
关键词
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资金
- Youth Innovation Promotion Association of the Chinese Academy of Sciences
- National Natural Science Foundation of China [31771212, 62061136001]
- Youth Talent Project of the China Association for Science and Technology
Recent research suggests that access to semantic and phonological information during spoken language production occurs in parallel rather than in sequential stages, with both types of information accessed at a similar latency and within a similar time window.
Spoken language production involves lexical-semantic access and phonological encoding. A theoretically important question concerns the relative time course of these two cognitive processes. The predominant view has been that semantic and phonological codes are accessed in successive stages. However, recent evidence seems difficult to reconcile with a sequential view but rather suggests that both types of codes are accessed in parallel. Here, we used ERPs combined with the blocked cyclic naming paradigm in which items overlapped either semantically or phonologically. Behaviorally, both semantic and phonological overlap caused interference relative to unrelated baseline conditions. Crucially, ERP data demonstrated that the semantic and phonological effects emerged at a similar latency (similar to 180 msec after picture onset) and within a similar time window (180-380 msec). These findings suggest that access to phonological information takes place at a relatively early stage during spoken planning, largely in parallel with semantic processing.
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