As perceived language proficiency in a second languages increases, the use of that second language for inner speech becomes more habitual.
en.wikipedia.org He was a scholar in various fields of linguistics, including sociolinguistics, pragmatics, bilingualism and multilingualism, second language learning, contact linguistics and intercultural communication.
en.wikipedia.org He specializes in second language acquisition, which he investigates on both theoretical and practical levels, using techniques from psycholinguistics, applied linguistics, and cognitive psychology.
en.wikipedia.org In the learning of a second language the correction of errors remains a controversial topic with many differing schools of thought.
en.wikipedia.org Similarly, gray matter changes were also found to correlate with professional experience in musicians, mathematicians and meditators, and with second language proficiency.
en.wikipedia.org