The phrase "right fusiform" refers to a specific area in the brain, specifically located in the right hemisphere. It is a part of the brain that plays a significant role in processing and recognizing faces and other visual stimuli. Full definition
Our results showed more brain activation in bilateral middle occipital lobes, right fusiform gyrus and right lingual gyrus for switching in L1 - L2 condition. (cogneurosociety.org)
But when they were asked to picture the colors while hypnotized, the brains of these subjects responded the same way they did when they actually saw the colors: Both left and right fusiform circuits lit up. (discovermagazine.com)
Only stimulation of electrodes underneath the right fusiform gyrus — never its left counterpart — induced distortions in face perception. (scientificamerican.com)