Bayesian expectation in the perception of the timing of stimulus sequences
Schedule
Wednesday, December 13, 2023
04:00 UTC
Max De Luca
Dr
University of Birmingham
Host: Timing Research Forum
Recording
Open recording
Event Information
Recording
Available
Host
Timing Research Forum
Duration
70 minutes
Abstract
In the current virtual journal club Dr Di Luca will present findings from a series of psychophysical investigations where he measured sensitivity and bias in the perception of the timing of stimuli. He will present how improved detection with longer sequences and biases in reporting isochrony can be accounted for by optimal statistical predictions. Among his findings was also that the timing of stimuli that occasionally deviate from a regularly paced sequence is perceptually distorted to appear more regular. Such change depends on whether the context these sequences are presented is also regular. Dr Di Luca will present a Bayesian model for the combination of dynamically updated expectations, in the form of a priori probability, with incoming sensory information. These findings contribute to the understanding of how the brain processes temporal information to shape perceptual experiences.
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