PPIG: Philosophy, Psychology, and Informatics Group
Speaker: Matteo Colombo (University of Tilburg)
Title: Visual illusions in schizophrenia and the rationality of perception
Abstract: Patients suffering from schizophrenia are less susceptible to various perceptual illusions (and to some hallucinations too) than most healthy individuals. Yet, the processes underlying schizophrenia patients’ perception have been characterised as “aberrant,” “false” inferences. While this type of characterisation is consistent with the idea that perceptual experiences and perceptual processes can be appraised as rational or irrational, it remains unclear what norms of rationality might ground the appraisal of perception, in either healthy individuals or psychiatric patients. In this paper, I will consider various norms of Bayesian rationality, and I will argue that violations of a norm of coherence in the vicinity of probabilism can illuminate the irrationality of schizophrenia patients’ more accurate perceptual inferences.
Further information
We are a group of researchers from diverse backgrounds in the above-mentioned groups (and beyond) who aim to gain an interdisciplinary yet deep understanding of the threads that bind the human mind and the world. In particular, this seminar series focuses on the nature of cognition, metacognition and social cognition. We’ll be tackling questions such as, what does it mean to think? What does it mean to think about thinking? And, what does it mean to think about one’s own thinking versus thinking about the thinking of other people? Please come along!
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Contact details
PPIG: Philosophy, Psychology, and Informatics Group
Room 1.20, Dugald Stewart Building, 3 Charles Street, Edinburgh, EH8 9AD