I know that sounds tiny but when you're talking about something growing in the middle of your brain it means a lot! (mariamindbodyhealth.com)
It now looks like they have their lateral geniculate nucleus (LGN)-- part of the thalamus in the middle of the brain — to thank for this «blindsight». (newscientist.com)
In a study published in the June American Journal of Psychiatry, Saxena reported that hoarders have lower activity in the cingulate gyrus — a structure that runs through the middle of the brain, front to back — particularly in areas known to be involved in decision making and focusing attention. (discovermagazine.com)