Sahar Dahrazma - Tabaran Institute of Higher Education
Mona Tabatabaee-Yazdi - Tabaran Institute of Higher Education

Learning a second language can always be affected by many factors in today’s contemporary world which is characterized by growing linguistic and cultural diversity. Among these, one can mention learners’ age, motivation, earlier learning experiences, and the amount of exposure to and use of the language. Mental lexicon, a person’s mental store of words, their meaning, and associations, is a construct used in linguistics and psycholinguistics to refer to individuals' lexical, or word representations. The current research aimed to investigate the effect of EFL learners Mental Lexicon on their academic performance. To this aim, this systematic review presents an overview of the existing literature dating The results showed that learners Mental Lexicon has a significant impact on their academic performance. Therefore, this study implies the need to work more on the needs and importance of improving and encouraging EFL learners by applying various significant techniques and strategies from ۲۰۰۵ to ۲۰۲۱.

EFL Learners; Mental Lexicon; Systematic Literature Review