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I Think, Therefore I Hallucinate: Minds, Machines, and the Art of Being Wrong by Barros, Sebastian is a scholarly article available to read on EtoBox.

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This theoretical work examines 'hallucinations' in both human cognition and large language models, comparing how each system can produce perceptions or outputs that deviate from reality. Drawing on neuroscience and machine learning research, we highlight the predictive processes that underlie human and artificial thought. In humans, complex neural mechanisms interpret sensory information under uncertainty, sometimes filling in gaps and creating false perceptions. This inference occurs hierarchically: higher cortical levels send top-down predictions to lower-level regions, while mismatches (prediction errors) propagate upward to refine the model. LLMs, in contrast, rely on auto-regressive modeling of text and can generate erroneous statements in the absence of robust grounding. Despite these different foundations - biological versus computational - the similarities in their predictive architectures help explain why hallucinations occur. We propose that the propensity to generate incorrect or confabulated responses may be an inherent feature of advanced intelligence. In both humans and AI, adaptive predictive processes aim to make sense of incomplete information and anticipate future

Author

Barros, Sebastian

Published

2025

Language

EN