Mi Jeong Song specializes in Second Language Acquisition and English Language Teaching. Her major research interests lie in investigating the effect of starting age on the ultimate level of success in L2 acquisition. She has been exploring the age effect issue from maturational, psychological, and neurological perspectives by analyzing L2 learners’ product and process data obtained from various research methods such as GJT, self-paced reading task, eye-tracking, ERPs, etc. Her recent publications include “Learnability and starting age of English article acquisition: evidence from CPH” (Language Research, no. 50, 2014), “Effects of two types of indirect written corrective feedback on the acquisition of English articles” (Foreign Language Education, no. 24, 2017), “A morphological processing of English determiner-noun agreement by Korean learners of English: An ERP study” (Applied Linguistics, no. 34, 2018), “The role of auditory perceptual simulation in L2 syntactic processing” (Language and Information, no.23 2019).