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Emotion is Not Just a Label: Latent Emotional Factors in LLM Processing

arXiv cs.CL / 3/11/2026

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Key Points

  • Large language models (LLMs) have their reasoning behavior influenced by the emotional tone of text, which affects their internal attention mechanisms and overall performance.
  • The study introduces AURA-QA, a carefully balanced question-answering dataset designed to control for emotional factors in text processing.
  • Emotional tone impacts key transformer attention metrics such as locality, center-of-mass distance, and entropy, which correlate with downstream QA performance.
  • The authors propose an emotional regularization method to constrain representational shifts caused by emotional variations, improving LLM reading comprehension across diverse datasets.
  • This method yields consistent performance improvements under both distribution shifts and standard in-domain evaluations, showing the importance of considering emotion as a latent factor in LLM training and evaluation.

Computer Science > Computation and Language

arXiv:2603.09205 (cs)
[Submitted on 10 Mar 2026]

Title:Emotion is Not Just a Label: Latent Emotional Factors in LLM Processing

View a PDF of the paper titled Emotion is Not Just a Label: Latent Emotional Factors in LLM Processing, by Benjamin Reichman and 3 other authors
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Abstract:Large language models are routinely deployed on text that varies widely in emotional tone, yet their reasoning behavior is typically evaluated without accounting for emotion as a source of representational variation. Prior work has largely treated emotion as a prediction target, for example in sentiment analysis or emotion classification. In contrast, we study emotion as a latent factor that shapes how models attend to and reason over text. We analyze how emotional tone systematically alters attention geometry in transformer models, showing that metrics such as locality, center-of-mass distance, and entropy vary across emotions and correlate with downstream question-answering performance. To facilitate controlled study of these effects, we introduce Affect-Uniform ReAding QA (AURA-QA), a question-answering dataset with emotionally balanced, human-authored context passages. Finally, an emotional regularization framework is proposed that constrains emotion-conditioned representational drift during training. Experiments across multiple QA benchmarks demonstrate that this approach improves reading comprehension in both emotionally-varying and non-emotionally varying datasets, yielding consistent gains under distribution shift and in-domain improvements on several benchmarks.
Subjects: Computation and Language (cs.CL); Artificial Intelligence (cs.AI); Machine Learning (cs.LG)
Cite as: arXiv:2603.09205 [cs.CL]
  (or arXiv:2603.09205v1 [cs.CL] for this version)
  https://doi.org/10.48550/arXiv.2603.09205
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arXiv-issued DOI via DataCite

Submission history

From: Benjamin Reichman [view email]
[v1] Tue, 10 Mar 2026 05:23:18 UTC (2,060 KB)
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