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. 2016:2016:4058620.
doi: 10.1155/2016/4058620. Epub 2015 Dec 27.

Bilingualism and Musicianship Enhance Cognitive Control

Scott R Schroeder  1 , Viorica Marian  1 , Anthony Shook  1 , James Bartolotti  1
Affiliations

Bilingualism and Musicianship Enhance Cognitive Control

Scott R Schroeder et al. Neural Plast. 2016.

Abstract

Learning how to speak a second language (i.e., becoming a bilingual) and learning how to play a musical instrument (i.e., becoming a musician) are both thought to increase executive control through experience-dependent plasticity. However, evidence supporting this effect is mixed for bilingualism and limited for musicianship. In addition, the combined effects of bilingualism and musicianship on executive control are unknown. To determine whether bilingualism, musicianship, and combined bilingualism and musicianship improve executive control, we tested 219 young adults belonging to one of four groups (bilinguals, musicians, bilingual musicians, and controls) on a nonlinguistic, nonmusical, visual-spatial Simon task that measured the ability to ignore an irrelevant and misinformative cue. Results revealed that bilinguals, musicians, and bilingual musicians showed an enhanced ability to ignore a distracting cue relative to controls, with similar levels of superior performance among bilinguals, musicians, and bilingual musicians. These results indicate that bilingualism and musicianship improve executive control and have implications for educational and rehabilitation programs that use music and foreign language instruction to boost cognitive performance.

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Figures

Figure 1
Figure 1
Mean bilingual (a) and music (b) proficiencies for bilinguals, musicians, bilingual musicians, and controls. Bilingual proficiency (a) represents a self-reported measure of ability in the participant's second-most proficient language, while music proficiency (b) represents a self-reported measure of ability in the participant's first-most proficient instrument. Error bars represent the standard error of the mean.
Figure 2
Figure 2
The three trial types (congruent, neutral, and incongruent) in the Simon task.
Figure 3
Figure 3
The mean interference effect (incongruent trials minus neutral trials) for bilinguals, musicians, bilingual musicians, and controls. Error bars represent the standard error of the mean.
Figure 4
Figure 4
The mean facilitation effect (neutral trials minus congruent trials) for bilinguals, musicians, bilingual musicians, and controls. Error bars represent the standard error of the mean.
Figure 5
Figure 5
The mean Simon effect (incongruent trials minus congruent trials) for bilinguals, musicians, bilingual musicians, and controls. Error bars represent the standard error of the mean.
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