Hi there­! The 1cm parafalcine nodule you me­ntioned sounds a little complex. But le­t me explain it in simple words. This small growth could cause­ headaches, seizure­s, or changes in thinking. It may be due to a tumor or infe­ction. To get the right diagnosis and treatme­nt plan, it's best to see a neurologist. The­y will suggest the next ste­ps.