Event:
| 19.09.2024, 14:00 | TUM-NeuroImaging Center | ||
|
|
Event Type:
Talk
Speaker: Isabella Goodwin Institute: University of Melbourne Title: Bayesian accounts of perceptual decisions in the nonclinical continuum of psychosis |
Location:
Zoom and in-person Einsteinstraße 25 81675 München Host: Franziska Knolle Host Email: franziska.knolle@tum.de |
|
|
Abstract:
Join the Research Seminar online:
https://tum-conf.zoom.us/j/66486345358 Meeting ID: 664 8634 5358 Passcode: 170230 Join the Research Seminar in person: TranslaTUM, small auditorium Einsteinstraße 25 81675 München We are looking forward to a great discussion. See full programme: https://franziskaknolle.com/journal-club-tumnic/ Abstract: Investigating non-clinical psychotic-like experiences can aid our understanding of how and why altered perceptual experiences, such as hallucinations and delusions, arise in psychosis. Conflicting Bayesian theories postulate aberrations in either top-down or bottom-up processing. On one hand, psychotic-like experiences might arise due to an overreliance on current sensory information in one’s environment with a reduced regard for prior context during perceptual decision making. Alternatively, this might be due to an overreliance on contextual information such as prior beliefs and expectations. In this talk, I will outline our research where we empirically adjudicate between these hypotheses, using a perceptual decision-making task in which the uncertainty of prior beliefs and sensory information is manipulated. I will also outline results from a second experiment that considers the temporal stability of this task, calling into question whether individual differences in perceptual belief updating remain stable over time. Registration Link: |
|||