arxivcs.CLcs.AIcs.HCcs.LG2026-07-09
LEXIC: Lightweight Eye-tracking eXtension via Injected Complexity
Sumin Lee, Kyeonghun Kim, Subeen Lee, Jiwon Yang, Tien Nguyen, Ken Ying-Kai Liao, et al.
On the recent EyeBench benchmark, predicting reading comprehension from eye movements exposes a stark gap: text-aware models using pretrained language models reach 56--63% AUROC, while gaze-only models operate at chance. We ask how far a gaze-only model can be pushed by lightweig…