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New metric measures 'cognitive atrophy' in LLM mental health support

Researchers have introduced a new metric called "COGNITIVE ATROPHY" to evaluate how Large Language Models (LLMs) behave in sensitive mental health support interactions. This metric, distinct from traditional safety and helpfulness scores, focuses on whether LLMs encourage user reflection and decision-making or foster dependence. A new benchmark, COGNITIVE ATROPHY BENCH, was developed using clinical conversations and expert review to measure this phenomenon. Initial evaluations across five LLMs indicate a consistent tendency towards atrophy-aligned behaviors, particularly when users seek solutions or decisions, suggesting a need for improved auditing of LLM interactions in therapeutic contexts. AI

IMPACT Introduces a new framework for evaluating LLM behavior in sensitive applications, potentially influencing future safety and alignment research.

RANK_REASON The cluster contains an academic paper introducing a new metric and benchmark for evaluating LLM behavior. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.AI →

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COVERAGE [1]

  1. arXiv cs.AI TIER_1 English(EN) · Elham Dolatabadi ·

    Towards Understanding and Measuring COGNITIVE ATROPHY in LLM Behaviour

    Recent incidents involving LLMs used for mental-health support reveal a critical evaluation gap: surface-level safety scores do not capture how models behave across realistic, emotionally sensitive interactions over time. Existing benchmarks measure knowledge, safety, or static r…