Pupil dilation provides a physiological readout of information gain during the brain's internal process of belief updating in the context of associative learning.

The horizontal axis represents the time elapsed following the presentation of the image, while the vertical axis denotes the degree of change in pupil diameter relative to the image presentation. A ...

New findings from researchers at UCLA Health suggest that measuring changes in how pupils react to light could help predict recovery from depression and personalize transcranial magnetic stimulation ...

New findings from researchers at UCLA Health suggest that measuring changes in how pupils react to light could help predict recovery from depression and personalize transcranial magnetic stimulation ...

Please provide your email address to receive an email when new articles are posted on . The RetEval handheld device measures electroretinography and pupil response. The device’s output was more ...

The fourth response For many decades, these three kinds of pupil response were the only ones that scientists were sure existed. Now, myself and our team of researchers at the Karolinska Institute in ...