Answer:
An endocrinologist will have expertise in treating diabetes, thyroid disorders, metabolic diseases, and other conditions related to the endocrine system. All doctors complete a training program called a residency after they finish medical school.
Explanation:
Split-brain patients have had surgery to cut the corpus callosum. Such a phenomenon was studied and monitored by two neuroscientists Roger Sperry and Michael Gazzaniga. After hard operation, patients felt quite good although the expectations weren't that good. Patients could perform all the activities they did before surgery, that was very surprising and innovational. But after several experiments, doctors discovered side effects and got back to study this process.