According to a study published in Nature by King's College London and Germany's Protestant University of Applied Sciences, researchers propose an "amplification spiral" framework to explain how AI chatbot behaviors may reinforce user delusions. The framework identifies three mechanisms: linguistic alignment (AI mirroring user communication), hyperpersonalized responses tailored to individual beliefs, and sycophancy (validating rather than challenging users). The authors argue these traits combine into feedback loops where chatbots elaborate and reinforce thinking over time, creating an "echo chamber of one" absent real-world social correction.
A recent survey by the American Psychological Association found that 15% of psychologists reported patients developing distorted thinking or delusions related to chatbot use, while over a third observed patients becoming dependent on AI companions. Researchers emphasized that no causal link between AI use and psychosis has been established, and the amplification spiral remains a hypothesis guiding future research.