A role for putamen in phonological processing in children

被引：7

作者：

Cherodath, Sarika ^{[1
]}

Rao, Chaitra ^{[1
]}

Midha, Rashi ^{[1
]}

Sumathi, T. A. ^{[1
]}

Singh, Nandini C. ^{[1
]}

机构：

[1] Natl Brain Res Ctr, Manesar 122051, India

来源：

BILINGUALISM-LANGUAGE AND COGNITION | 2017年 / 20卷 / 02期

关键词：

Bilingualism; phonological awareness; voxel-based morphometry; reading; CROSS-LINGUISTIC TRANSFER; READING ACQUISITION; LANGUAGE TRANSFER; WORD; AWARENESS; ENGLISH; 2ND-LANGUAGE; LITERACY; DYSLEXIA; INSIGHTS;

D O I：

10.1017/S1366728916000614

中图分类号：

H0 [语言学];

学科分类号：

030303 ; 0501 ; 050102 ;

摘要：

Bilingual children are required to successfully develop phonological skills in two languages, yet little is known about the neural correlates associated with them. We obtained structural imaging data from 30 Hindi-English children aged between 8 and 10 years and used voxel based morphometry to explore neuroanatomical correlates of behavioural measures of phonological awareness. Our results showed that phonological skills in English are predicted by grey matter volume of bilateral putamen, but solely by right putamen in Hindi. Post-hoc analysis revealed that English nonword reading correlates with grey matter volume in bilateral putamen while in Hindi nonword reading it correlates only with right putamen. These differences in putamen-based mechanisms indicate that syllable level awareness sufficiently supports early literacy in the transparent, alphasyllabic Hindi orthography whereas that in English requires both phonemic and syllabic level awareness. Our findings point towards a key role for putamen in mediating phonological and reading skills in children.

引用

页码：318 / 326

页数：9

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