講演会のお知らせ (multilectal processing と heritage language development)

[Naonori Nagaya]

メーリングリストのみなさま、

東京大学の長屋尚典です。

この度、Jade Sandstedt 先生 (Volda University College) とMaki Kubota (University of Minho & University of Bergen) 先生の講演会を下記の通り開催します。みなさまのご参加をお待ちしております。

日時: 2025年11月28日 (金) 17:00〜18:30
場所: 東京大学本郷キャンパス 法文1号館314教室
参加登録: https://forms.gle/AEskpWidDeaJTogQ7

The psycholinguistics of multilectal processing
Jade Sandstedt (Volda University College), Mizuki Tanigawa (University of Tokyo), and Hjalmar Eiksund (Volda University College)

This talk explores how speakers process subtle grammatical differences within their language (e.g., cross-dialectal differences, dialect–standard differences), focusing on Norway's unique linguistic context, where people commonly engage with both regional dialects and two competing official written standards with widespread narrow grammatical variation: Nynorsk and Bokmål. Using EEG data (n = 155) and self-paced reading (n = 233) from speakers in Sunnmøre (Western Norway) and Troms (Northern Norway), we show that real-time processing measures (neural responses and on-line reading time costs) suggest that processing fine-grained cross-dialectal and standard–dialect differences involves fundamentally the same underlying cognitive architecture as multilingual language processing.

Exploring individual differences in heritage language development: A large-scale study of Japanese child heritage speakers
Maki Kubota (University of Minho & University of Bergen)

This talk examines how heritage language (HL) vocabulary and grammar develop across childhood and adolescence, and how children’s bilingual experience shapes these outcomes. Using large-scale data from 447 Japanese heritage speakers and 120 monolingual peers, I show when HL performance begins to diverge from their monolingual peers despite comparable demographic backgrounds. Using the Q-BEx questionnaire as a comprehensive measure of bilingual experience, I identify latent experiential dimensions that predict individual differences in vocabulary and in the development of classifiers, case marking, and morphological passives. I further illustrate how the effects of these child-level factors change with age, and how controlling for them clarifies the role of cross-linguistic influence. Together, these findings advance our understanding of HL bilingualism by demonstrating that children’s grammatical development is not simply delayed or incomplete, but dynamically shaped by the interaction of language experience, age, and linguistic structure.

※ 本講演会は JSPS 科研費 25K04088 の助成を受けたものです。

よろしくお願い申し上げます。

長屋尚典

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Naonori Nagaya, PhD.
Department of Linguistics
The University of Tokyo
https://sites.google.com/site/naonorinagaya/