Intersubject Correlation and Engagement in Viewing

Engagement that's the intersubject correlation so that's a relatively new measure

And that's not looking at frequency bands but it's looking at synchronization.

So it's also called cross-subject synchronization on the left you see that people are not really engaged

by the stimulus They're quite bored So there you see the pattern of the brain response is

very different between the three people sitting in the front row for example

They're all thinking about different things But the three guys on the right

they are really engaged by the stimulus and then we see much more synchronization

in the neural response across these participants and that is what we measure with ISC