Author

Maja J. Matarić

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#small language model Book Open access Oct 2026

Multimodal Behavioral Typicality as a Training-Free Screening Signal for Dementia

A cross-modal behavioral marker is tested under frozen pretrained models across gaze, text, and audio that separates semantic engagement from production mechanics without training on dementia data at any stage, and the implication for multimodal interaction systems is direct: adapt to semantic engagement, not productio...

Leticia Pinto-Alva, Gale M. Lucas, Maja J. Matarić et al. · Proceedings of the 28th Inte... · 0 citations

#small language model Book Open access Oct 2026

Multimodal Behavioral Typicality as a Training-Free Screening Signal for Dementia

Dementia is commonly described as impairing what people attend to, say, and mean more than how they move their eyes or produce speech. We test this asymmetry with a cross-modal behavioral marker—negative log-likelihood (NLL) under frozen pretrained models across gaze, text, and audio—that separates semantic engagement...

Leticia Pinto-Alva, Gale M. Lucas, Maja J. Matarić et al. · Proceedings of the 28th Inte... · 0 citations