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which would explain his sudden hearing loss. There could be a possibility of Randy having issues with his occipital lobe as well, considering that any difficulty with the occipital lobe would give him symptoms such as visual perception issues and delusions.Doctors would be able to use many machines and methods to figure out the exact problems with Randy and how to treat it. An example of a machine that the doctors would use to diagnose Randy would be an fMRI, which would help the doctor identify the structure of his brain, as well as the functions and activity of his brain when parts of his brain light up due to increased blood flow while different brain functions were happening. They would attempt to test each part of his brain while using this machine so they could see how they function. Another machine they could use would bean EEG, which is used to measure Randy’s brain activity to figure out the relationship between his cognitive and perceptual tasks. This machine would help doctors see how his occipital lobe and other major parts of his brain were functioning. Doctors could also use a machine called a PET scan, a machine used to view which parts of the brain is active during which specific activity as a test to observe how well the lobes in his brain were working.