A new study published in the journal Frontiers in Human Neuroscience shows that the ‘expanding hole’ optical illusion, which is new to science, is perceived by approximately 86% of people. Example of illusorily expanding central region or ‘hole;’ viewing the image full screen is best for eliciting the effect. Image credit: Laeng et al., doi: 10.3389/fnhum.2022.877249. A large class of optical patterns evoke conscious dynamic sensations of...
