Interaction of language and control processes in monolingual and bilingual cognition
单语和双语认知中语言和控制过程的相互作用
基本信息
- 批准号:RGPIN-2015-05249
- 负责人:
- 金额:$ 4.15万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2016
- 资助国家:加拿大
- 起止时间:2016-01-01 至 2017-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Neuroplasticity is the idea that brain structure and function change in response to experience, offering the possibility for lifelong adaptation of cognitive ability. Such adaptation may be a powerful approach to interventions designed to protect cognitive function with aging. One experience that has been shown to modify cognitive function is bilingualism: across the lifespan, bilinguals outperform monolinguals on various tests of executive control (EC). However, much is unknown about these effects, both for bilingualism in particular and neuroplasticity more generally. The proposed studies will use behavioural and EEG measures to study younger and older adults who are monolingual or bilingual to understand how this experience affects cognitive ability. There are two crucial outstanding issues in this research.
1: Conditions for cognitive effects of bilingualism
Although a large body of research has reported significant bilingual advantages in EC, there is great variability across studies with some finding no group differences. An important question, therefore, is to determine the conditions under which effects of bilingualism are observed. In general, group differences are more likely found with children and older adults than with younger adults, with complex tasks than with simpler tasks, and with neuroimaging studies than with behavioural studies. These and other factors will be investigated to determine conditions under which bilingualism leads to these beneficial outcomes.
2: Functional changes in processing
The usual explanation for enhanced EC in bilinguals is that bilinguals use EC to control attention to two jointly activated languages so they can select the target language and avoid intrusions from the other language. The joint activation of both languages for bilinguals is well documented, so language selection is a constant problem of bilingual language use. The idea is that the use of the EC network for language selection fortifies that network and makes it more efficient for other purposes. However, it may also be that the EC network is modified to create a network that is used by bilinguals for both verbal and nonverbal processing, a network that is qualitatively different from that used by monolinguals. This possibility that bilingualism creates a new integrated control network would help to explain the finding that bilinguals show signs of dementia later than monolinguals. Because dementia is usually displayed first as a memory problem, it is hard to understand how bilingual EC advantages would protect performance. However, an integrated control network could allow bilinguals to compensate for failure in some domains by relying on more intact ones. Thus, evidence for the nature of the control networks used by bilinguals has implications for understanding an important aspect of neuroplasticity that may have some application to preserving cognitive function in aging.
神经可塑性是指大脑结构和功能随着经验的变化而改变,为认知能力的终身适应提供了可能。这种适应可能是一种有效的干预方法,旨在保护衰老的认知功能。一种被证明可以改变认知功能的经历是双语:在一生中,双语者在执行控制(EC)的各种测试中表现优于单语者。然而,对于这些影响,特别是对双语者和更普遍的神经可塑性来说,还有很多未知之处。拟议的研究将使用行为和脑电图测量来研究单语或双语的年轻人和老年人,以了解这种经历如何影响认知能力。在这项研究中有两个关键的突出问题。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Bialystok, Ellen其他文献
Conflict Resolution in Sentence Processing by Bilinguals.
- DOI:
10.1016/j.jneuroling.2010.05.002 - 发表时间:
2010-11-01 - 期刊:
- 影响因子:2
- 作者:
Moreno, Sylvain;Bialystok, Ellen;Wodniecka, Zofia;Alain, Claude - 通讯作者:
Alain, Claude
The swerve: How childhood bilingualism changed from liability to benefit.
- DOI:
10.1037/dev0001376 - 发表时间:
2022-08 - 期刊:
- 影响因子:4
- 作者:
Bialystok, Ellen;Hawrylewicz, Kornelia;Grundy, John G;Chung-Fat-Yim, Ashley - 通讯作者:
Chung-Fat-Yim, Ashley
Neuropsychological assessments of cognitive aging in monolingual and bilingual older adults
- DOI:
10.1016/j.jneuroling.2016.08.001 - 发表时间:
2017-08-01 - 期刊:
- 影响因子:2
- 作者:
Anderson, John A. E.;Saleemi, Somayya;Bialystok, Ellen - 通讯作者:
Bialystok, Ellen
Cognitive and Linguistic Processing in the Bilingual Mind
- DOI:
10.1177/0963721409358571 - 发表时间:
2010-02-01 - 期刊:
- 影响因子:7.2
- 作者:
Bialystok, Ellen;Craik, Fergus I. M. - 通讯作者:
Craik, Fergus I. M.
Using the DRM paradigm to assess language processing in monolinguals and bilinguals
- DOI:
10.3758/s13421-020-01016-6 - 发表时间:
2020-07-01 - 期刊:
- 影响因子:2.4
- 作者:
Bialystok, Ellen;Dey, Avanti;Sommers, Mitchell S. - 通讯作者:
Sommers, Mitchell S.
Bialystok, Ellen的其他文献
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{{ truncateString('Bialystok, Ellen', 18)}}的其他基金
Bilingualism as a Source of Experience-Dependent Plasticity: Mechanisms and Limits
双语作为经验依赖性可塑性的来源:机制和限制
- 批准号:
RGPIN-2020-06440 - 财政年份:2022
- 资助金额:
$ 4.15万 - 项目类别:
Discovery Grants Program - Individual
Bilingualism as a Source of Experience-Dependent Plasticity: Mechanisms and Limits
双语作为经验依赖性可塑性的来源:机制和限制
- 批准号:
RGPIN-2020-06440 - 财政年份:2021
- 资助金额:
$ 4.15万 - 项目类别:
Discovery Grants Program - Individual
Bilingualism as a Source of Experience-Dependent Plasticity: Mechanisms and Limits
双语作为经验依赖性可塑性的来源:机制和限制
- 批准号:
RGPIN-2020-06440 - 财政年份:2020
- 资助金额:
$ 4.15万 - 项目类别:
Discovery Grants Program - Individual
Interaction of language and control processes in monolingual and bilingual cognition
单语和双语认知中语言和控制过程的相互作用
- 批准号:
RGPIN-2015-05249 - 财政年份:2019
- 资助金额:
$ 4.15万 - 项目类别:
Discovery Grants Program - Individual
Interaction of language and control processes in monolingual and bilingual cognition
单语和双语认知中语言和控制过程的相互作用
- 批准号:
RGPIN-2015-05249 - 财政年份:2018
- 资助金额:
$ 4.15万 - 项目类别:
Discovery Grants Program - Individual
Interaction of language and control processes in monolingual and bilingual cognition
单语和双语认知中语言和控制过程的相互作用
- 批准号:
RGPIN-2015-05249 - 财政年份:2017
- 资助金额:
$ 4.15万 - 项目类别:
Discovery Grants Program - Individual
Interaction of language and control processes in monolingual and bilingual cognition
单语和双语认知中语言和控制过程的相互作用
- 批准号:
RGPIN-2015-05249 - 财政年份:2015
- 资助金额:
$ 4.15万 - 项目类别:
Discovery Grants Program - Individual
Effect of experience on representation and control across the lifespan
一生中经历对表征和控制的影响
- 批准号:
2559-2010 - 财政年份:2014
- 资助金额:
$ 4.15万 - 项目类别:
Discovery Grants Program - Individual
Effect of experience on representation and control across the lifespan
一生中经历对表征和控制的影响
- 批准号:
2559-2010 - 财政年份:2013
- 资助金额:
$ 4.15万 - 项目类别:
Discovery Grants Program - Individual
Effect of experience on representation and control across the lifespan
一生中经历对表征和控制的影响
- 批准号:
2559-2010 - 财政年份:2012
- 资助金额:
$ 4.15万 - 项目类别:
Discovery Grants Program - Individual
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儿童音乐能力发展对语言与社会认知能力及脑发育的影响
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- 批准号:60175012
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Interaction of language and control processes in monolingual and bilingual cognition
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- 资助金额:
$ 4.15万 - 项目类别:
Discovery Grants Program - Individual