linkScientists are able to tell what image a volunteer was looking at 92% of the time using fMRI technology
Now it's just (very accurate) picture guessing but maybe one day, with this technology, we can take a peek into the hyperspace realms of other people by looking at the brains of a hyperspace-traveler. Or we can show other people who are afraid to travel what the realms are like and we can post the vids on the DMT-Nexus.