Cognitive control of language production in bilinguals involves a partly independent process within the domain-general cognitive control network: Evidence from task-switching and electrical brain activity

Magezi, David A.; Khateb, Asaïd; Mouthon, Michaël; Spierer, Lucas; Annoni, Jean‐Marie

doi:10.1016/j.bandl.2012.04.008

Cited by 32 publications

(32 citation statements)

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“…These results are in accord with those neuroimaging studies that failed to reveal a complete overlap between bLC and domain-general EC (e.g., Magezi, Khateb, Mouthon, Spierer, & Annoni, 2012;Branzi et al, 2015;Blanco-Elorrieta & Pylkkänen, 2016). For instance, in an fMRI study Branzi et al (2015) The general pattern of the findings we provide leads to the conclusion that bLC and domain-general EC do not share the very same mechanisms and might explain why bilingual advantages in inhibitory control are difficult to replicate (see Paap & Greenberg, 2013;von Bastian et al, 2015).…”

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confidence: 78%

On the overlap between bilingual language control and domain-general executive control

et al. 2016

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We explored the overlap between bilingual language control (bLC) and domain-general executive control (EC) by focusing on inhibitory control processes. We tested 62 bilinguals in linguistic and non-linguistic switching tasks for two types of costs, such as the n-1 shift cost and the n-2 repetition cost. In order to explore the involvement of inhibitory control in bLC and EC, we assessed the pattern of switch costs in the two tasks and then we correlated them between tasks. Results showed reduced n-2 repetition costs as compared to n-1 shift costs in the linguistic task only, suggesting that small amount of inhibition were deployed when switching between languages. Importantly, neither the n-1 shift costs nor the n-2 repetition costs were correlated between tasks. These results, supported by additional evidence from the ex-Gaussian analysis, suggest that inhibitory control is differently involved in bLC and in EC.

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confidence: 78%

On the overlap between bilingual language control and domain-general executive control

et al. 2016

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“…Cingular activities have been found in proficiency-related control processes (Abutalebi, 2008; Magezi et al, 2012). In the current study, the modulations of activity in the anterior cingulum could be due to a higher proficiency in French than German.…”

Section: Discussionmentioning

confidence: 99%

Language context modulates reading route: an electrical neuroimaging study

Buetler

Rodríguez

Laganaro

et al. 2014

Front. Hum. Neurosci.

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Introduction: The orthographic depth hypothesis (Katz and Feldman, 1983) posits that different reading routes are engaged depending on the type of grapheme/phoneme correspondence of the language being read. Shallow orthographies with consistent grapheme/phoneme correspondences favor encoding via non-lexical pathways, where each grapheme is sequentially mapped to its corresponding phoneme. In contrast, deep orthographies with inconsistent grapheme/phoneme correspondences favor lexical pathways, where phonemes are retrieved from specialized memory structures. This hypothesis, however, lacks compelling empirical support. The aim of the present study was to investigate the impact of orthographic depth on reading route selection using a within-subject design.Method: We presented the same pseudowords (PWs) to highly proficient bilinguals and manipulated the orthographic depth of PW reading by embedding them among two separated German or French language contexts, implicating respectively, shallow or deep orthography. High density electroencephalography was recorded during the task.Results: The topography of the ERPs to identical PWs differed 300–360 ms post-stimulus onset when the PWs were read in different orthographic depth context, indicating distinct brain networks engaged in reading during this time window. The brain sources underlying these topographic effects were located within left inferior frontal (German > French), parietal (French > German) and cingular areas (German > French).Conclusion: Reading in a shallow context favors non-lexical pathways, reflected in a stronger engagement of frontal phonological areas in the shallow versus the deep orthographic context. In contrast, reading PW in a deep orthographic context recruits less routine non-lexical pathways, reflected in a stronger engagement of visuo-attentional parietal areas in the deep versus shallow orthographic context. These collective results support a modulation of reading route by orthographic depth.

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“…Behaviourally, the performances in linguistic and non-linguistic switching tasks do not correlate with each other (e.g.,86,87,89), similarly to linguistic and non-linguistic inhibition tasks (such as the n-2 task, see (90). While it seems that there is a strong overlap in the brain areas responsible for linguistic and non-linguistic switching, whether or not domain-general inhibition and language control respond to the same brain mechanisms is still unclear(86,88,91,92). Furthermore, and even in the very same field of language control, the most recent studies speak of different language control mechanisms relying on different neural substrates when applied to language comprehension and production (93).…”

Section: The Impact Of Bilingualism On Executive Functions and Workinmentioning

confidence: 99%

The impact of bilingualism on executive functions and working memory in young adults

Antón¹,

Carreiras²,

Duñabeitia³

2018

Preprint

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21 28015 Madrid, SPAIN 22 eanton@nebrija.es 23 Telephone: +34677570001 24 42 consideration different perspectives in the domain-specificity of the executive functions and 43 working memory. 44 45 46 Keywords: Bilingualism; executive functioning; working memory. 47 93 seemed noticeable only when the environment was demanding enough (see 1,24, for similar 94 conclusions; but see 18, for a discussion on the impurity of the use of global RTs as a measure of 95 monitoring). Even though these two classic perspectives argued for an advantage in concrete 96 aspects of EF (i.e., monitoring or inhibition), the mixed results prevent researchers to draw strong 97 conclusions as to which EF component was enhanced by bilingualism. Instead, it has been recently 5 98argued that a failure of bilinguals to inhibit their attention to the non-target language requires a 99 more effortful involvement of EF, causing a more general and unified EF enhancement (23). 100The bilingual advantage, however, is not only one of the most popular research topics in the 101 field of bilingualism nowadays, but also one of the most controversial ones (see 26,27, among 102 others, as an example of the growing debate regarding its existence). Some concerns have been 103 raised regarding the results and interpretation of the bilingual advantage (26,(28)(29)(30)(31). In a nutshell, 104 these authors argue that the bilingual advantage that has been shown in the previous literature is 105 actually a consequence of uncontrolled external factors, small sample sizes and task-dependent 106 effects. Actually, there are many external factors that have been shown to have a direct impact in 107EF performance, such as participants' socio-economic status (SES), immigrant status or ethnicity 108 background (32,33). Importantly, these factors tend to differ between bilingual and monolingual 109 populations in certain populations. For example, immigrants -who tend to be bilinguals -show 110 better morbidity and mortality outcomes than non-immigrants around the world (34-39) which is 111 known as "the healthy immigrant" effect. Furthermore, they also display a higher educational 112 profile or IQ level (40-42) than nonimmigrants. Even if it is debatable whether these features are a 113 cause or a consequence of being an immigrant, it seems that individuals who get to pass the 114 immigration screening of host countries display better physical and psychological conditions (43). 115If those factors are not equal between monolinguals and bilinguals at test, they might potentially 116 cause differences between groups in EF, and there would be no way of disentangling the potential 117 effects of bilingualism from those produced by the uncontrolled factors. Upon reviewing the 118 existing literature showing a bilingual advantage, one could find that the abovementioned concern 119 seems to be the rule more than the exception for the majority of the studies. We observe studies in 120 which SES was not controlled for (13,44), in which comparisons are made between monolinguals 12...

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Cognitive control of language production in bilinguals involves a partly independent process within the domain-general cognitive control network: Evidence from task-switching and electrical brain activity

Cited by 32 publications

References 44 publications

On the overlap between bilingual language control and domain-general executive control

On the overlap between bilingual language control and domain-general executive control

Language context modulates reading route: an electrical neuroimaging study

The impact of bilingualism on executive functions and working memory in young adults

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