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Koustuv Saha

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#human-computer interacti... Preprint Sep 2026

Can LLMs identify and repair ruptures? Comparison between clinician practices and LLM behaviors

Ruptures represent common albeit critical moments in interaction where relational alignment breaks down, making them essential for evaluating AI where trust and engagement matter most. In a scenario-driven empirical study, we examined the performance of three LLMs at identifying and resolving ruptures across 21 mental...

Jeongah Lee, Joy Qiuyue Zhong, Drishti Goel et al. · 0 citations
#human-computer interacti... Preprint Sep 2026

Beyond Counting Blessings: Tracing the Evolution of Gratitude Practices and Technology Needs

Gratitude technologies support well-being by prompting reflection on what people appreciate. But gratitude does not serve the same purpose in every circumstance: as life situations change, so does what people seek from it, and whether it feels appropriate at all. To understand how technology can adapt to and support su...

Joy Qiuyue Zhong, Jeongah Lee, Drishti Goel et al. · 0 citations
#human-computer interacti... Preprint Sep 2026

Stereotypically Yours: Portrayal and Perception of Race-Coded AI Companions

AI companions can purportedly adopt racial personas, raising questions about how they represent identity and how users interpret these portrayals. We combined an algorithmic audit of race-coded AI personas with interviews with 12 companion users who interacted with a probe. Our audit revealed systematic differences, su...

Wang Claire, J. Shi, Agam Goyal et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Personalizing Personal Health Interfaces: Co-Design with Generative AI

A co-design study where 14 participants redesigned Google and Apple Health interfaces using Figma Make, finding conversational AI designs converged around chat-window conventions and implications for preserving agency and flexible user-directed interfaces.

Karthik S. Bhat, Vidhi Shah, V. Agnihotri et al. · 0 citations
#artificial intelligence Preprint Sep 2026

PeerPen: AI-Assisted Writing for Online Mental Health Peer Support

PeerPen, a writing assistance tool embedded within a Reddit-like interface, supporting two main features: draft generation and revision of user-written responses, is built and it is found that PeerPen reduced the burden of composing responses and increased confidence in offering support.

J. Kim, S. Gong, Maya Ajit et al. · 0 citations
Preprint Aug 2026

Tracing the Heart: An Evidence-Linked Pipeline for Heart-Failure Feature Engineering

The Nimblemind Multi-Agent System is developed, an evidence-linked, rubric-grounded pipeline for automated heart-failure feature engineering, and evaluation was limited to a single-institution cohort and external validation is needed, demonstrating the feasibility of automated, auditable feature engineering for complex...

Soorya Ram Shimgekar, Michelle Hu, Dorisa Shehi et al. · 0 citations

LLUMI: Improving LLM Writing Assistance for Mental Health Support with Online Community Feedback

The findings suggest that open-source models, when trained with community-derived preference signals, can support high-quality mental health support assistance while offering a more privacy-preserving alternative for sensitive support contexts.

J. Kim, Maya Ajit, S. Gong et al. · 4 citations

TUX: Measuring Human-AI Tacit Understanding

A spectrum-placement task inspired by the social party game Wavelength is developed, which suggests that TUX provides a measurable behavioral signal of human--LLM tacit understanding, while revealing the limits of profile-based conditioning for capturing deeper representational alignment.

Yue-Shen Li, Han-Yi Min, Vedant Das Swain et al. · 0 citations
Review Jul 2026

Trust but Verify:Evidence-Linked Multi-Agent Clinical Information Extraction in Pathology

The NimbleMind Multi-Agent System (nMAS) is evaluated, a configurable workflow that separates clinician-defined field specifications from extraction models and returns report-level predictions with source-linked evidence within a clinician-reviewable workflow.

Yu-Fan Wang, Anit Kumar Sahu, Y. Ng et al. · 1 citation

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