How does the bilingual experience sculpt the brain?

Nature Reviews Neuroscience

Volumn 15, Issue 5, 2014, Pages 336-345

  Costa, Albert ^a,b   Sebastián Gallés, Núria ^a  

^a UNIVERSITAT POMPEU FABRA   (Spain)

^b INSTITUCIÓ CATALANA DE RECERCA I ESTUDIS AVANÇATS ICREA   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

BRAIN; BRAIN MAPPING; HUMANS; LEARNING; MULTILINGUALISM; NEURONS;

EID: 84898952583     PISSN: 1471003X     EISSN: 14710048     Source Type: Journal    
DOI: 10.1038/nrn3709     Document Type: Review

References (150)

1. Grosjean, F. What bilingualism is NOT. Multilingual Living [online], http://www.multilingualliving. com/2011/03/03/what-bilingualism-is-not/ (2010).
2. Genesee, F. Bilingual first language acquisition: exploring the limits of the language faculty. Annu. Rev. Appl. Linguist. 21, 153-168 (2001).
3. Gervain, J. & Mehler, J. Speech perception and language acquisition in the first year of life. Annu. Rev. Psychol. 61, 191-218 (2010).
4. Kuhl, P. K. Brain mechanisms in early language acquisition. Neuron 67, 713-727 (2010).
5. Byers-Heinlein, K., Burns, T. C. & Werker, J. F. The roots of bilingualism in newborns. Psychol. Sci. 21, 343-348 (2010).
6. Nazzi, T., Bertoncini, J. & Mehler, J. Language discrimination by newborns: toward an understanding of the role of rhythm. J. Exp. Psychol. Hum. Percept. Perform. 24, 756-766 (1998).
7. Ramus, F., Hauser, M., Miller, C., Morris, D. & Mehler, J. Language discrimination by human newborns and by cotton-top tamarin monkeys. Science 288, 349-351 (2000).
8. Toro, J., Trobalon, J. & Sebastian-Galles, N. The use of prosodic cues in language discrimination tasks by rats. Animal Cogn. 6, 131-136 (2003).
9. Bosch, L. & Sebastian-Galles, N. Native-language recognition abilities in 4.month-old infants from monolingual and bilingual environments. Cognition 65, 33-69 (1997).
10. Bosch, L. & Sebastian-Galles, N. Evidence of early language discrimination abilities in infants from bilingual environments. Infancy 2, 29-49 (2001).
11. Nazzi, T., Jusczyk, P. W. & Johnson, E. K. Language discrimination by English-learning 5.month-olds: effects of rhythm and familiarity. J. Mem. Lang. 43, 1-19 (2000).
12. Calvert, G. A. et al. Activation of auditory cortex during silent lipreading. Science 276, 593-596 (1997).
13. van Wassenhove, V., Grant, K. W. & Poeppel, D. Visual speech speeds up the neural processing of auditory speech. Proc. Natl Acad. Sci. USA 102, 1181-1186 (2005).
14. Weikum, W. M. et al. Visual language discrimination in infancy. Science 316, 1159-1159 (2007).
15. Sebastian-Galles, N., Albareda-Castellot, B., Weikum, W. M. & Werker, J. F. A bilingual advantage in visual language discrimination in infancy. Psychol. Sci. 23, 994-999 (2012).
16. Kuhl, P. K. Early language acquisition: cracking the speech code. Nature Rev. Neurosci. 5, 831-843 (2004).
17. Kuhl, P. K. et al. Infants show a facilitation effect for native language phonetic perception between 6 and 12 months. Dev. Sci. 9, F13.F21 (2006).
18. Albareda-Castellot, B., Pons, F. & Sebastian-Galles, N. The acquisition of phonetic categories in bilingual infants: new data from an anticipatory eye movement paradigm. Dev. Sci. 14, 395-401 (2011).
19. Burns, T. C., Yoshida, K. A., Hill, K. & Werker, J. F. The development of phonetic representation in bilingual and monolingual infants. Appl. Psycholinguist. 28, 455-474 (2007).
20. Sundara, M., Polka, L. & Molnar, M. Development of coronal stop perception: bilingual infants keep pace with their monolingual peers. Cognition 108, 232-242 (2008).
21. Petitto, L. A. et al. The "Perceptual Wedge Hypothesis" as the basis for bilingual babies,f phonetic processing advantage: new insights from fNIRS brain imaging. Brain Lang. 121, 130-143 (2012).
22. Anderson, J. L., Morgan, J. L. & White, K. S. A statistical basis for speech sound discrimination. Lang. Speech 46, 155-182 (2003).
23. Jusczyk, P. W., Friederici, A. D., Wessels, J., Svenkerud, V. Y. & Jusczyk, A. M. Infants'f sensitivity to the sound patterns of native language words. J. Mem. Lang. 32, 402-420 (1993).
24. Sebastian-Galles, N. & Bosch, L. Building phonotactic knowledge in bilinguals: role of early exposure. J. Exp. Psychol. Hum. Percept. Perform. 28, 974-989 (2002).
25. Markman, E. & Wachtel, G. Children's use of mutual exclusivity to constrain the meanings of words. Cogn. Psychol. 20, 121-157 (1988).
26. Byers-Heinlein, K. & Werker, J. Monolingual, bilingual, trilingual: infants' language experience influences the development of a word-learning heuristic. Dev. Sci. 12, 815-823 (2009).
27. Byers-Heinlein, K. & Werker, J. Lexicon structure and the disambiguation of novel words: evidence from bilingual infants. Cognition 128, 407-416 (2013).
28. Houston-Price, C., Caloghiris, Z. & Raviglione, E. Language experience shapes the development of the mutual exclusivity bias. Infancy 15, 125-150 (2010).
29. Hoff, E. et al. Dual language exposure and early bilingual development. J. Child Lang. 39, 1-27 (2012).
30. Core, C., Hoff, E., Rumiche, R. & Senor, M. Total and conceptual vocabulary in Spanish.English bilinguals from 22 to 30 months: implications for assessment. J. Speech Lang. Hear. Res. 56, 1637-1649 (2013).
31. Bialystok, E., Craik, F. I. M. & Luk, G. Bilingualism: consequences for mind and brain. Trends Cogn. Sci. 16, 240-250 (2012).
32. Pavlenko, A. & Malt, B. C. Kitchen Russian: crosslinguistic differences and first-language object naming by Russian.English bilinguals. Biling. Lang. Cogn. 14, 19-45 (2011).
33. Gollan, T. & Acenas, L. What is a TOT? Cognate and translation effects on tip.of.the-tongue states in Spanish.English and Tagalog.English bilinguals. J. Exp. Psychol. Learn. Mem. Cogn. 30, 246-269 (2004).
34. Ivanova, I. & Costa, A. Does bilingualism hamper lexical access in speech production? Acta Psychol. 127, 277-288 (2008).
35. Sadat, J., Martin, C. D., Alario, F. X. & Costa, A. Characterizing the bilingual disadvantage in noun phrase production. J. Psycholinguist. Res. 41, 159-179 (2012).
36. Gollan, T., Montoya, R. & Werner, G. Semantic and letter fluency in Spanish.English bilinguals. Neuropsychology 16, 562-576 (2002).
37. Runnqvist, E., Gollan, T. H., Costa, A. & Ferreira, V. S. A disadvantage in bilingual sentence production modulated by syntactic frequency and similarity across languages. Cognition 129, 256-263 (2013).
38. Garcia-Sierra, A., Ramirez-Esparza, N., Silva- Pereyra, J., Siard, J. & Champlin, C. A. Assessing the double phonemic representation in bilingual speakers of Spanish and English: an electrophysiological study. Brain Lang. 121, 194-205 (2012).
39. Gollan, T. H., Montoya, R. I., Cera, C. & Sandoval, T. C. More use almost always means a smaller frequency effect: aging, bilingualism, and the weaker links hypothesis. J. Mem. Lang. 58, 787-814 (2008).
40. Baus, C., Costa, A. & Carreiras, M. On the effects of second language immersion on first language production. Acta Psychol. 142, 402-409 (2013).
41. Schmid, M. S. Languages at play: the relevance of L1 attrition to the study of bilingualism. Biling. Lang. Cogn. 13, 1-7 (2010).
42. Pallier, C. et al. Brain imaging of language plasticity in adopted adults: can a second language replace the first? Cereb. Cortex 13, 155-161 (2003).
43. Green, D. W. Mental control of the bilingual lexicosemantic system. Biling. Lang. Cogn. 1, 67-81 (1998).
44. Kroll, J. F., Bobb, S. C., Misra, M. & Guo, T. Language selection in bilingual speech: evidence for inhibitory processes. Acta Psychol. 128, 416-430 (2008).
45. Colome, A. Lexical activation in bilinguals' speech production: language-specific or languageindependent? J. Mem. Lang. 45, 721-736 (2001).
46. Thierry, G. & Wu, Y. J. Brain potentials reveal unconscious translation during foreign-language comprehension. Proc. Natl Acad. Sci. USA 104, 12530-12535 (2007).
47. Spivey, M. J. & Marian, V. Cross talk between native and second languages: partial activation of an irrelevant lexicon. Psychol. Sci. 10, 281-284 (1999).
48. Kovelman, I., Baker, S. A. & Petitto, L. Bilingual and monolingual brains compared: a functional magnetic resonance imaging investigation of syntactic processing and a possible gneural signatureh of bilingualis. J. Cogn. Neurosci. 20, 153-169 (2008).
49. Kovelman, I., Shalinsky, M. H., Berens, M. S. & Petitto, L. Shining new light on the brain's "bilingual signature": a functional near infrared spectroscopy investigation of semantic processing. Neuroimage 39, 1457-1471 (2008).
50. Crinion, J. et al. Language control in the bilingual brain. Science 312, 1537-1540 (2006).
51. Nosarti, C., Mechelli, A., Green, D. W. & Price, C. J. The impact of second language learning on semantic and nonsemantic first language reading. Cereb. Cortex 20, 315-327 (2010).
52. Parker Jones, O. et al. Where, when and why brain activation differs for bilinguals and monolinguals during picture naming and reading aloud. Cereb. Cortex 22, 892-902 (2012).
53. Abutalebi, J. Neural aspects of second language representation and language control. Acta Psychol. 128, 466-478 (2008).
54. Abutalebi, J. et al. Language control and lexical competition in bilinguals: an event-related fMRI study. Cereb. Cortex 18, 1496-1505 (2008).
55. Abutalebi, J. & Green, D. Bilingual language production: the neurocognition of language representation and control. J. Neurolinguist. 20, 242-275 (2007).
56. Garbin, G. et al. Neural bases of language switching in high and early proficient bilinguals. Brain Lang. 119, 129-135 (2011).
57. Zou, L., Ding, G., Abutalebi, J., Shu, H. & Peng, D. Structural plasticity of the left caudate in bimodal bilinguals. Cortex 48, 1197-1206 (2012).
58. Krizman, J., Marian, V., Shook, A., Skoe, E. & Kraus, N. Subcortical encoding of sound is enhanced in bilinguals and relates to executive function advantages. Proc. Natl Acad. Sci. USA 109, 7877-7881 (2012).
59. Mechelli, A. et al. Neurolinguistics: structural plasticity in the bilingual brain. Nature 431, 757 (2004).
60. Abutalebi, J. et al. The role of the left putamen in multilingual language production. Brain Lang. 125, 307-315 (2013).
61. Ressel, V. et al. An effect of bilingualism on the auditory cortex. J. Neurosci. 32, 16597-16601 (2012).
62. Garcia-Penton, L., Perez Fernandez, A., Iturria- Medina, Y., Gillon-Dowens, M. & Carreiras, M. Anatomical connectivity changes in the bilingual brain. Neuroimage 84, 495-504 (2014).
63. Luk, G., Bialystok, E., Craik, F. I. M. & Grady, C. L. Lifelong bilingualism maintains white matter integrity in older adults. J. Neurosci. 31, 16808-16813 (2011).
64. Miyake, A. et al. The unity and diversity of executive functions and their contributions to complex gfrontal lobeh tasks: a latent variable analysis. Cogn. Psychol. 41, 49-100 (2000).
65. Shallice, T. & Burgess, P. The domain of supervisory processes and temporal organization of behaviour. Phil. Trans. R. Soc. Lond. B 351, 1405-1411 (1996).
66. Bialystok, E., Craik, F. I. M., Klein, R. & Viswanathan, M. Bilingualism, aging, and cognitive control: evidence from the Simon task. Psychol. Aging 19, 290-303 (2004).
67. Costa, A., Hernandez, M. & Sebastian-Galles, N. Bilingualism aids conflict resolution: evidence from the ANT task. Cognition 106, 59-86 (2008).
68. Costa, A., Hernandez, M., Costa-Faidella, J. & Sebastian-Galles, N. On the bilingual advantage in conflict processing: now you see it, now you don't. Cognition 113, 135-149 (2009).
69. Bialystok, E. & Martin, M. M. Attention and inhibition in bilingual children: evidence from the dimensional change card sort task. Dev. Sci. 7, 325-339 (2004).
70. Martin-Rhee, M. M. & Bialystok, E. The development of two types of inhibitory control in monolingual and bilingual children. Biling. Lang. Cogn.11, 81-93 (2008).
71. Prior, A. & MacWhinney, B. A bilingual advantage in task switching. Biling. Lang. Cogn.13, 253-262 (2010).
72. Hernandez, M., Martin, C. D., Barcelo, F. & Costa, A. Where is the bilingual advantage in task-switching? J. Mem. Lang. 69, 257-276 (2013).
73. Stroop, J. R. Studies of interference in serial verbal reactions. J. Exp. Psychol. 18, 643-662 (1935).
74. Kovacs, A. M. & Mehler, J. Cognitive gains in 7.monthold bilingual infants. Proc. Natl Acad. Sci. USA 106, 6556-6560 (2009).
75. Hilchey, M. D. & Klein, R. M. Are there bilingual advantages on nonlinguistic interference tasks? Implications for the plasticity of executive control processes. Psychon. Bull. Rev. 18, 625-658 (2011).
76. Paap, K. R. & Greenberg, Z. I. There is no coherent evidence for a bilingual advantage in executive processing. Cogn. Psychol. 66, 232-258 (2013).
77. Kousaie, S. & Phillips, N. A. Conflict monitoring and resolution: are two languages better than one? Evidence from reaction time and event-related brain potentials. Brain Res. 1446, 71-90 (2012).
78. Dunabeitia, J. A. et al. The inhibitory advantage in bilingual children revisited. Exp. Psychol. http://dx.doi. org/10-1027/1618-3169/a000243 (2013).
79. Calabria, M., Hernandez, M., Branzi, F. M. & Costa, A. Qualitative differences between bilingual language control and executive control: evidence from taskswitching. Front. Psychol. 2, 399 (2012).
80. Prior, A. & Gollan, T. H. Good language-switchers are good task-switchers: evidence from Spanish.English and Mandarin.English bilinguals. J. Int. Neuropsychol. Soc. 17, 682-691 (2011).
81. Brito, N. & Barr, R. Influence of bilingualism on memory generalization during infancy. Dev. Sci. 15, 812-816 (2012).
82. Garbin, G. et al. Bridging language and attention: brain basis of the impact of bilingualism on cognitive control. Neuroimage 53, 1272-1278 (2010).
83. Abutalebi, J. et al. Bilingualism tunes the anterior cingulate cortex for conflict monitoring. Cereb. Cortex 22, 2076-2086 (2012).
84. Rodriguez-Pujadas, A. et al. Bilinguals use languagecontrol brain areas more than monolinguals to perform non-linguistic switching tasks. PLoS ONE 8, e73028 (2013).
85. Kave, G., Eyal, N., Shorek, A. & Cohen-Mansfield, J. Multilingualism and cognitive state in the oldest old. Psychol. Aging 23, 70-78 (2008).
86. Gold, B. T., Kim, C., Johnson, N. F., Kryscio, R. J. & Smith, C. D. Lifelong bilingualism maintains neural efficiency for cognitive control in aging. J. Neurosci. 33, 387-396 (2013).
87. Bialystok, E., Craik, F. I. M. & Freedman, M. Bilingualism as a protection against the onset of symptoms of dementia. Neuropsychologia 45, 459-464 (2007).
88. Craik, F. I. M., Bialystok, E. & Freedman, M. Delaying the onset of Alzheimer disease: bilingualism as a form of cognitive reserve. Neurology 75, 1726-1729 (2010).
89. Schweizer, T. A., Ware, J., Fischer, C. E., Craik, F. I. M. & Bialystok, E. Bilingualism as a contributor to cognitive reserve: evidence from brain atrophy in Alzheimer's disease. Cortex 48, 991-996 (2012).
90. Chertkow, H. et al. Multilingualism (but not always bilingualism) delays the onset of Alzheimer disease: evidence from a bilingual community. Alzheimer Dis. Assoc. Disord. 24, 118-125 (2010).
91. Crane, P. K. et al. Use of spoken and written Japanese did not protect Japanese-American men from cognitive decline in late life. J. Gerontol. B Psychol. Sci. Soc. Sci. 65, 654-666 (2010).
92. Gollan, T. H., Salmon, D. P., Montoya, R. I. & Galasko, D. R. Degree of bilingualism predicts age of diagnosis of Alzheimer's disease in low-education but not in highly educated Hispanics. Neuropsychologia 49, 3826-3830 (2011).
93. Sanders, A. E., Hall, C. B., Katz, M. J. & Lipton, R. B. Non-native language use and risk of incident dementia in the elderly. J. Alzheimers Dis. 29, 99-108 (2012).
94. Schmid, M. S. in Language Attrition. Theoretical Perspectives (eds Kopke, B., Schmid, M. S., Keijzer, M. & Dostert, S.) 135-153 (John Benjamins, 2007).
95. Dewaele, J. M. in First Language Attrition: Interdisciplinary Perspectives on Methodological Issues (eds Schmid, M. S., Kopke, B., Keijzer, M. & Weilemar, L.) 81-104 (John Benjamins, 2004).
96. Schmid, M. S. & Dusseldorp, E. Quantitative analyses in a multivariate study of language attrition: the impact of extralinguistic factors. Second Lang. Res. 26, 125-160 (2010).
97. Schmid, M. S. Language Attrition (Cambridge Univ. Press, 2011).
98. Leroy, F. et al. Early maturation of the linguistic dorsal pathway in human infants. J. Neurosci. 31, 1500-1506 (2011).
99. Mahmoudzadeh, M. et al. Syllabic discrimination in premature human infants prior to complete formation of cortical layers. Proc. Natl Acad. Sci. USA 110, 4846-4851 (2013).
100. Bhattacharjee, Y. Why bilinguals are smarter. The New York Times SR12 (18 Mar 2012).
101. Wiese, A. & Garcia, E. The Bilingual Education Act: language minority students and US Federal education policy. Int. J. Bilingual Educ. Biling. 4, 229-248 (2010).
102. Li, P. Computational modeling of bilingualism: how can models tell us more about the bilingual mind? Biling. Lang. Cogn. 16, 241-245 (2013).
103. Dijkstra, T. & van Heuven, W. J. B. Modeling bilingual word recognition: past, present and future. Biling. Lang. Cogn. 5, 219-224 (2002).
104. Diaz, B., Baus, C., Escera, C., Costa, A. & Sebastian- Galles, N. Brain potentials to native phoneme discrimination reveal the origin of individual differences in learning the sounds of a second language. Proc. Natl Acad. Sci. USA 105, 16083-16088 (2008).
105. Ventura-Campos, N. et al. Spontaneous brain activity predicts learning ability of foreign sounds. J. Neurosci. 33, 9295-9305 (2013).
106. Tversky, A. & Kahneman, D. K. Belief in the law of small numbers. Psychol. Bull. 76, 105-110 (1971).
107. Button, K. S. et al. Power failure: why small sample size undermines the reliability of neuroscience. Nature Rev. Neurosci. 14, 365-376 (2013).
108. Chiswick, B. R. Are immigrants favorably self-selected? Am. Econ. Rev. 89, 181-185 (1999).
109. Hartsuiker, R. J., Pickering, M. J. & Veltkamp, E. Is syntax separate or shared between languages? Crosslinguistic syntactic priming in Spanish.English bilinguals. Psychol. Sci. 15, 409-414 (2004).
110. Dijkstra, A. & Van Heuven, W. J. B. in Localist Connectionist Approaches to Human Cognition (eds Grainger, J. & Jacobs, A. M.) 189-225 (Lawrence Erlbaum Associates, 1998).
111. Kroll, J. F., Bobb, S. C. & Wodniecka, Z. Language selectivity is the exception, not the rule: arguments against a fixed locus of language selection in bilingual speech. Biling. Lang. Cogn. 9, 119-135 (2006).
112. Klein, D., Zatorre, R. J., Milner, B., Meyer, E. & Evans, A. C. Left putaminal activation when speaking a second language: evidence from PET. Neuroreport 5, 2295-2297 (1994).
113. Chee, M. W. Dissociating language and word meaning in the bilingual brain. Trends Cogn. Sci. 10, 527-529 (2006).
114. Chee, M. W., Soon, C. S. & Lee, H. L. Common and segregated neuronal networks for different languages revealed using functional magnetic resonance adaptation. J. Cogn. Neurosci. 15, 85-97 (2003).
115. Perani, D. et al. The bilingual brain. Proficiency and age of acquisition of the second language. Brain 121, 1841-1852 (1998).
116. Green, D. W. in The Interface between Syntax and the Lexicon in Second Language Acquisition (eds van Hout, R., Hulk, A., Kuiken, F. & Towell, R.) 197-217 (John Benjamins, 2003).
117. Kotz, S. A. A critical review of ERP and fMRI evidence on L2 syntactic processing. Brain Lang. 109, 68-74 (2009).
118. Willms, J. L. et al. Language-invariant verb processing regions in Spanish.English bilinguals. Neuroimage 57, 251-261 (2011).
119. Golestani, N. et al. Syntax production in bilinguals. Neuropsychologia 44, 1029-1040 (2006).
120. Luk, G., Green, D. W., Abutalebi, J. & Grady, C. Cognitive control for language switching in bilinguals: a quantitative meta-analysis of functional neuroimaging studies. Lang. Cogn. Process. 27, 1479-1488 (2012).
121. Hensch, T. K. Critical period plasticity in local cortical circuits. Nature Rev. Neurosci. 6, 877-888 (2005).
122. Epstein, S., Flynn, S. & Martohardjono, G. Second language acquisition: theoretical and experimental issues in contemporary research. Behav. Brain Sci. 19, 677-714 (1996).
123. Li, P. Lexical organization and competition in first and second languages: computational and neural mechanisms. Cogn. Sci. 33, 629-664 (2009).
124. Werker, J. & Tees, R. Speech perception as a window for understanding plasticity and commitment in language systems of the brain. Dev. Psychobiol. 46, 233-251 (2005).
125. Juffs, A. Second language acquisition. Wiley Interdiscip. Rev. Cogn. Sci. 2, 277-286 (2011).
126. Hu, W. Parents take language class into their own hands. The New York Times [online], http://www. nytimes.com/2006/09/30/nyregion/30play.html (2006).
127. Hickok, G. & Poeppel, D. The cortical organization of speech processing. Nature Rev. Neurosci. 8, 393-402 (2007).
128. Huttenlocher, P. R. & Dabholkar, A. S. Regional differences in synaptogenesis in human cerebral cortex. J. Comp. Neurol. 387, 167-178 (1997).
129. Huttenlocher, P. R. Dendritic and synaptic development in human cerebral cortex: time course and critical periods. J. Dev. Neuropsychol. 16, 347-349 (1999).
130. Pujol, J. et al. Myelination of language-related areas in the developing brain. Neurology 66, 339. 343 (2006).
131. Garcia-Sierra, A. et al. Bilingual language learning: an ERP study relating early brain responses to speech, language input, and later word production. J. Phon. 39, 546-557 (2011).
132. Bartoletti, A., Medini, P., Berardi, N. & Maffei, L. Environmental enrichment prevents effects of darkrearing in the rat visual cortex. Nature Neurosci. 7, 215-216 (2004).
133. Pitres, A. Etude sur l'aphasie chez les polyglottes. Rev. Med. 15, 873-899 (in French) (1895).
134. Pearce, J. M. S. A note on aphasia in bilingual patients: Pitres' and Ribot's laws. Eur. Neurol. 54, 127-131 (2005).
135. Paradis, M. in Handbook of Neuropsychology (ed. Berndt, R. S.) 69-91 (Elsevier Science, 2001).
136. Abutalebi, J., Rosa, P. A. D., Tettamanti, M., Green, D. W. & Cappa, S. F. Bilingual aphasia and language control: a follow.up fMRI and intrinsic connectivity study. Brain Lang. 109, 141-156 (2009).
137. Green, D. W. & Abutalebi, J. Understanding the link between bilingual aphasia and language control. J. Neurolinguist. 21, 558-576 (2008).
138. Faroqi-Shah, Y., Frymark, T., Mullen, R. & Wang, B. Effect of treatment for bilingual individuals with aphasia: a systematic review of the evidence. J. Neurolinguist. 23, 319-341 (2010).
139. Green, D. W. in Handbook of Bilingualism: Psycholinguistic Approaches (eds Kroll, J. F. & de Groot, A. M. B.) 516-530 (Oxford Univ. Press, 2005).
140. Kiran, S., Grasemann, U., Sandberg, C. & Miikkulainen, R. A computational account of bilingual aphasia rehabilitation. Biling. Lang. Cogn. 16, 325-342 (2013).
141. Costa, A. et al. On the parallel deterioration of lexicosemantic processes in the bilinguals' two languages: evidence from Alzheimer's disease. Neuropsychologia 50, 740-753 (2012).
142. Gollan, T. H., Salmon, D. P., Montoya, R. I. & da Pena, E. Accessibility of the nondominant language in picture naming: a counterintuitive effect of dementia on bilingual language production. Neuropsychologia 48, 1356-1366 (2010).
143. Zanini, S. et al. Greater syntactic impairments in native language in bilingual Parkinsonian patients. J. Neurol. Neurosurg. Psychiatry 75, 1678-1681 (2004).
144. Zanini, S., Tavano, A. & Fabbro, F. Spontaneous language production in bilingual Parkinson's disease patients: evidence of greater phonological, morphological and syntactic impairments in native language. Brain Lang. 113, 84-89 (2010).
145. de Souza, L. C., Lehericy, S., Dubois, B., Stella, F. & Sarazin, M. Neuroimaging in dementias. Curr. Opin. Psychiatry 25, 473-479 (2012).
146. Ferreira, L. K., Diniz, B. S., Forlenza, O. V., Busatto, G. F. & Zanetti, M. V. Neurostructural predictors of Alzheimer's disease: a meta-analysis of VBM studies. Neurobiol. Aging 32, 1733-1741 (2011).
147. Pavese, N. PET studies in Parkinson's disease motor and cognitive dysfunction. Parkinsonism Relat. Disord. 18, S96.S99 (2012).
148. Ray, N. J. & Strafella, A. P. The neurobiology and neural circuitry of cognitive changes in Parkinson's disease revealed by functional neuroimaging. Mov. Disord. 27, 1484-1492 (2012).
149. Wang, X., Wang, Y., Jiang, T., Wang, Y. & Wu, C. Direct evidence of the left caudate's role in bilingual control: an intra-operative electrical stimulation study. Neurocase 19, 462-469 (2012).
150. Dehaene-Lambertz, G. & Houston, D. Faster orientation latencies toward native language in twomonth old infants. Lang. Speech 41, 21-43 (1998).