Frontmatter -- Contents -- Introduction -- Learning disabilities as external individual differences in second language acquisition -- The role of memory in the acquisition of vocabulary and grammar in the first language and in English as a foreign language -- Individual differences and young learners' L2 vocabulary development: The case of language aptitude and exposure to subtitled TV series -- 'In love with English': A mixed-methods investigation of Flemish children's spontaneous engagement with out-of-school exposure -- The relation between out-of-school exposure to English and English vocabulary development in Dutch primary school pupils -- Lexical profiles of children and adolescent EFL learners in the semantic domain of animals -- The contribution of motivation and emotions to language learning autonomy in the Hungarian secondary school classroom: The results of a questionnaire study -- Effects of authentic communication experiences on linguistic self-confidence: Individual differences in perceptions among Japanese primary school students -- Emotion and motivation in younger learners' second foreign language acquisition -- Secondary school pupils' language choice satisfaction in the L3 classroom: The roles of teaching, motivation, language choice and language classroom anxiety -- Index