[walterbell]

This requires intrusive electrodes, "fMRI visual recognition", https://scholar.google.com/scholar?q=fmri+visual+recognition

There are startups working on less intrusive (e.g. headset) brain-computer interfaces (BCI).

[Legend2440]

fMRI isn't the one with the electrodes, it's the one with the giant scanner and no metal objects in the room.