The center appears to be darker than the surround, though they are the same luminance.

Also arranged by RITMO Centre of Exellence uio.no/ritmo/aktuelt/…

Mind Surfing Workshop on March 21st, 2024 (start 9:30) at University of Oslo and RITMO 🎻Mind surfing means being carried away into imagery without losing awareness of the musical motions uio.no/ritmo/english/…

'Oscillatory attention in groove' 👁️🧠a combined pupillometry and EEG study on musical rhythm 🥁 by a RITMO research team at University of Oslo, now in CORTEX 🌀 doi.org/10.1016/j.cort…

Another feline demonstration 😾of oculomotor responses: Eye vergence (focusing near) constricts the pupils 👁️👁️

The center of each flower appears to glare, though the color is the same white as that of the surround. 菊の花の中心が明るく見えるが、画素は周囲の白と同じである。

A new book on Pupillometry is out 👁️👁️ edited by Papesh and Goldinger 📘 it may be the first book on specifically pupillometry since 1977 (i.e., Pierre Janisse’s book) and there is also a method chapter by Laeng & S. Mathôt Cogsci.nl link.springer.com/book/10.1007/9…

On livescience.com – A review of ‘32 optical illusions and why they trick your brain’ by Patrick Pester 😵‍💫two of the illusions of brightness/darkness 💡- by Akiyoshi Kitaoka - have also been repeatedly investigated with pupillometry: livescience.com/health/mind/32…

Just a daisy (margherita)

Bianca 😺

Macaques’ eye pupils 👁️constrict to Akiyoshi Kitaoka ‘s bright illusions and especially when they are blue🌀 published in the Journal of Vision Journal of Vision see open access article: jov.arvojournals.org/article.aspx?a…

The monkeys' pupillary response to the illusory light was relatively stronger than that of humans, regardless whether the tested humans knew about the llusion or did not 👁

Eye pupils expand to really expanding shapes but also illusorily-expanding patterns and more so when one has the illusion of moving forward and into a dark tunnel ⚫️ A study by Laeng Shoaib Nabil and Akiyoshi Kitaoka, now online in Perception & i-Perception Journals doi.org/10.1177/030100…

Oslo 2024

Face hybrids as stimuli for probing the brain’s processing of facial expressions: sub-cortical (low spatial frequencies) versus cortical (high spatial frequencies), or conscious versus subliminal 🧠 Online in Neuropsychology APA Journals☑️ doi.org/10.1037/neu000…

Bistable depth