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DOI:	10.1371/journal.pone.0168358
论文题名:	Neurophysiological Modulations of Non-Verbal and Verbal Dual-Tasks Interference during Word Planning
作者:	Raphaël Fargier; Marina Laganaro
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2016
发表日期:	2016-12-19
卷:	11, 期:12
语种:	英语
英文关键词:	Syllables ; Phonology ; Event-related potentials ; Attention ; Speech ; Electrophysiology ; Topographic maps ; Electroencephalography
英文摘要:	Running a concurrent task while speaking clearly interferes with speech planning, but whether verbal vs. non-verbal tasks interfere with the same processes is virtually unknown. We investigated the neural dynamics of dual-task interference on word production using event-related potentials (ERPs) with either tones or syllables as concurrent stimuli. Participants produced words from pictures in three conditions: without distractors, while passively listening to distractors and during a distractor detection task. Production latencies increased for tasks with higher attentional demand and were longer for syllables relative to tones. ERP analyses revealed common modulations by dual-task for verbal and non-verbal stimuli around 240 ms, likely corresponding to lexical selection. Modulations starting around 350 ms prior to vocal onset were only observed when verbal stimuli were involved. These later modulations, likely reflecting interference with phonological-phonetic encoding, were observed only when overlap between tasks was maximal and the same underlying neural circuits were engaged (cross-talk).
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0168358&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/24113
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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journal.pone.0168358.pdf（1428KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Faculty of Psychology and Educational Sciences, University of Geneva, Geneva, Switzerland;Faculty of Psychology and Educational Sciences, University of Geneva, Geneva, Switzerland

Recommended Citation:

Raphaël Fargier,Marina Laganaro. Neurophysiological Modulations of Non-Verbal and Verbal Dual-Tasks Interference during Word Planning[J]. PLOS ONE,2016-01-01,11(12)

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