Abstract:
:In this study we investigated the event-related potentials (ERPs) during the semantic judgment task (deciding if the two Chinese characters were semantically related or unrelated) to identify the timing of neural activation in children with early left brain damage (ELBD). The results demonstrated that compared with the controls, children with ELBD had (1) competitive accuracy and reaction time in the semantic judgment task, (2) weak operation of the N400, (3) stronger, earlier and later compensational positivities (referred to the enhanced P200, P250, and P600 amplitudes) in the central and right region of the brain to successfully engage in semantic judgment. Our preliminary findings indicate that temporally postlesional reorganization is in accordance with the proposed right-hemispheric organization of speech after early left-sided brain lesion. During semantic processing, the orthography has a greater effect on the children with ELBD, and a later semantic reanalysis (P600) is required due to the less efficient N400 at the former stage for semantic integration.
journal_name
Brain Langjournal_title
Brain and languageauthors
Chang YT,Lin SC,Meng LF,Fan YTdoi
10.1016/j.bandl.2018.01.005subject
Has Abstractpub_date
2018-01-01 00:00:00pages
37-43eissn
0093-934Xissn
1090-2155pii
S0093-934X(15)30056-0journal_volume
177-178pub_type
杂志文章abstract::Previous studies have identified several brain regions that appear to be involved in the acquisition of novel word forms. Standard word-by-word presentation is often used although exposure to a new language normally occurs in a natural, real world situation. In the current experiment we investigated naturalistic langu...
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journal_title:Brain and language
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journal_title:Brain and language
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