SIGNALAI·Jul 10, 2026, 4:00 AMSignal75Medium term

A Transdiagnostic Space of Disorder Like Phenotypes in Reinforcement Learning Agents

Source: arXiv cs.LG

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A Transdiagnostic Space of Disorder Like Phenotypes in Reinforcement Learning Agents

arXiv:2607.07753v1 Announce Type: new Abstract: Modelling psychological disorders in artificial agents offers both a testbed for computational psychiatry and a lens on the failure modes of affective control. Prior work induces one or two disorders in a reinforcement learning (RL) agent by hand-tuned reward shaping, labels the behaviour post hoc, and reports single runs. We recast disorder modelling as dose-controllable manipulation of cognitive appraisal signals in an appraisal-guided PPO agent, expressing seven disorders (anxiety, mania, obsessive-compulsive checking, depression, impulsivity,

Why this matters
Why now

The paper leverages recent advancements in Reinforcement Learning (RL) and computational psychiatry to create more nuanced models of psychological disorders, moving beyond previous limited approaches.

Why it’s important

This research provides a novel testbed for understanding the computational underpinnings of mental health conditions and the failure modes of AI, offering insights for both human and artificial intelligence.

What changes

Disorder modeling in AI shifts from simple, hand-tuned inductions to dose-controllable manipulation of cognitive appraisal signals, enabling the study of multiple 'disorders' within a single agent.

Winners
  • · AI ethicists
  • · Computational psychiatrists
  • · Developers of robust AI systems
  • · Mental health researchers
Losers
  • · Developers of simplistic AI models
Second-order effects
Direct

AI agents can be designed with 'psychological profiles' that mimic human conditions more closely.

Second

Understanding AI 'psychopathology' could lead to new diagnostic or treatment frameworks for human mental health.

Third

The development of 'mentally healthy' AI could become a design criterion for general artificial intelligence, influencing future regulatory frameworks.

Editorial confidence: 90 / 100 · Structural impact: 60 / 100
Original report

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Read at arXiv cs.LG
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