Really excellent talk! Good presentation, good build-up, good science. 👏

I know! I'm curious to learn what you find. Good luck!

Re: the lord of the rings stories. These are part of Exp 2 but not analyzed separately.

Lack of variability can of course explain the null result, that's true. But in my view, the simplest and this most likely explanation is that there really is no between-subjects correlation there. Until I see compelling evidence otherwise.

Perhaps of interest to @katechristodoulou.bsky.social @kerblooee.bsky.social @nadinedijkstra.bsky.social @rebecca-keogh.bsky.social

This suggests that pupil responses to bright or dark content are reliably different, but this difference is *not* a good measure of individual differences in mental imagery/ aphantasia as a personal trait. 3/3 🧵

… moment-to-moment fluctuations *within a participant* in self-reported vividness indeed predicted how strongly pupil size was affected by imagined brightness. However, individual differences *between participants* (also based on self-report) did not. 2/3 🧵