Language aptitude, language interaction and age of language learning

Abstract

Abstract This article reviews David Singleton’s books and articles published during the period 2014–2020. The first section concerns a popular book which he co-authored with Vivian Cook; the second gives an account of articles covering questions about the concept of language aptitude; the third deals with articles on the manner in which a learner’s competencies in different languages interact; the fourth section then summarizes his recent age-related work on second language learning in childhood, adolescence and midlife; and the fifth deals with his contributions on language learning in senior adulthood.