Key research themes
1. How does bilingualism contribute to cognitive reserve and neuroprotection against age-related cognitive decline and dementia?
This research theme investigates the extent to which lifelong bilingualism enhances cognitive reserve (CR), enabling individuals to better withstand neurodegeneration and delay dementia onset. It centers on methodological rigor in assessing bilingualism, disentangling confounding variables, and identifying neural and cognitive markers that mediate this protection. Understanding these mechanisms is critical for clarifying bilingualism's role in healthy aging and potential clinical applications.
2. How do individual differences in bilingual experience and language use contexts modulate cognitive control and executive function outcomes?
This theme explores how variability in bilingual language use—such as proficiency, age of acquisition, frequency, language mode, and interactional context—shapes neural and behavioral manifestations of cognitive control. Moving beyond categorical classifications, the research focuses on how bilingual experience dynamically modifies brain function and cognitive processes, accounting for conflicting evidence regarding bilingual cognitive advantages.
3. What neurolinguistic and neuroanatomical changes accompany bilingualism, and how do language typology and multilingualism influence these effects on cognition and brain structure?
This theme synthesizes research examining structural and functional brain changes linked to bilingualism and multilingualism, emphasizing variation arising from language combinations, proficiency, and multilingual experience. It also considers the extent to which typological diversity among a multilingual's languages modulates first-language processing and overall cognitive consequences, contributing to debates on bilingual neural plasticity and cognitive advantages.