AI RESEARCH
Assessing Cognitive Effort in L2 Idiomatic Processing: An Eye-Tracking Dataset
arXiv CS.AI
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ArXi:2605.04857v1 Announce Type: cross This paper presents the development and validation of an eye-tracking dataset designed to investigate how second-language (L2) learners process idiomatic expressions. While native speakers often rely on direct retrieval of figurative meanings, L2 speakers frequently adopt a literal-first approach, which incurs measurable cognitive costs. This resource captures these costs through ocular metrics recorded from Portuguese L1 speakers of English across all CEFR proficiency levels (A1-C2.