syntax; morphology; formal semantics; phonetics & phonology; historical and comparative linguistics; language acquisition & documentation, sociolinguistics, and computational linguistics (focusing on natural language processing)
broad – first and second language acquisition, bilingualism, with a focus on African (i.e., Ghanaian) languages, such as Akan, Ga, and Ewe; narrow – phonological and lexical development in bilingual and multilingual children and adults learning a second language, acquisition of variable input
