Virgina 1884 Views July 14, 2017, 09:42:11 AM Question Solved Share Tweet A neurologist explains that arousal is mediated by the: a. cerebral cortex. b. medulla oblongata. c. reticular activating system. d. cingulate gyrus. Marlena July 14, 2017, 09:56:50 AM #1 Answer ANS: C Arousal is mediated by the reticular activating system, which regulates aspects of attention and information processing and maintains consciousness. The cerebral cortex affects movement. The medulla oblongata controls things such as hiccups and vomiting. The cingulate gyrus plays other roles in response. Benton July 14, 2017, 10:12:27 AM #2 You just saved me a lot of time.