Tjerk Dercksen and colleagues from the Neurocognitive Development Group published a study that presents conclusive evidence that the unexpected omission of a sound or tactile stimulus evokes a pupil dilation response, presumably reflecting surprise and the orienting of attention.
This approach is well suited for use in clinical studies investigating predictive processing.
Read more:https://www.frontiersin.org/articles/10.3389/fpsyt.2023.1143931/full