Language-specific cortical activation patterns for verbal fluency tasks in Japanese as assessed by multichannel functional near-infrared spectroscopy

被引：26

作者：

Dan, Haruka ^{[1
,2
]}

Dan, Ippeita ^{[1
,3
]}

Sano, Toshifumi ^{[3
]}

Kyutoku, Yasushi ^{[1
,3
]}

Oguro, Keiji ^{[2
]}

Yokota, Hidenori ^{[2
]}

Tsuzuki, Daisuke ^{[1
,3
]}

Watanabe, Eiju ^{[2
]}

机构：

[1] Chuo Univ, Res & Dev Initiat, Appl Cognit Neurosci Lab, Bunkyo Ku, Tokyo 1128551, Japan

[2] Jichi Med Univ, Dept Neurosurg, Shimotsuke, Tochigi 3290498, Japan

[3] Jichi Med Univ, Ctr Dev Adv Med Technol, Funct Brain Sci Lab, Shimotsuke, Tochigi 3290498, Japan

来源：

BRAIN AND LANGUAGE | 2013年 / 126卷 / 02期

关键词：

Semantic word fluency; Phonological word fluency; Mora; Syllable; fNIRS; Optical topography; Culture-specificity; Aphasia; Attention; Task difficulty; PREFRONTAL CORTEX; SCHIZOPHRENIC-PATIENTS; SPATIAL REGISTRATION; BRAIN OXYGENATION; SEMANTIC FLUENCY; PARIETAL CORTEX; WORD RETRIEVAL; LARGE-SCALE; NIRS DATA; FMRI;

D O I：

10.1016/j.bandl.2013.05.007

中图分类号：

R36 [病理学]; R76 [耳鼻咽喉科学];

学科分类号：

100104 ; 100213 ;

摘要：

Japan, verbal fluency tasks are commonly utilized as a standard paradigm for neuropsychological testing of cognitive and linguistic abilities. The Japanese "letter fluency task" is a mora/letter fluency task based on the phonological and orthographical characteristics of the Japanese language. Whether there are similar activation patterns across languages or a Japanese-specific mora/letter fluency pattern is not certain. We investigated the neural correlates of overt mora/letter and category fluency tasks in healthy Japanese. The category fluency task activated the bilateral fronto-temporal language-related regions with left-superior lateralization, while the mora/letter fluency task led to wider activation including the inferior parietal regions (left and right supramarginal gyrus). Specific bilateral supramarginal activation during the mora/letter fluency task in Japanese was distinct from that of similar letter fluency tasks in syllable-alphabet-based languages: this might be due to the requirement of additional phonological processing and working memory, or due to increased cognitive load in general. (c) 2013 Elsevier Inc. All rights reserved.

引用

页码：208 / 216

页数：9

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