This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: CNS Tumors, Subject name: Surgery
The characteristics feature of a frontal lobe tumor is: 
Select and explain. 
A. Abnormal gait, B. Aphasia, C. Distractibility, D. Antisocial behavior
D: Antisocial behavior
Answer: D: Antisocial behavior 
Explanation: Frontal lobe tumors Personality changes are common symptom of frontal lobe tumor. Frontal lobe controls behavior and judgment. Patients may be socially disinhibited, display antisocial behavior, shows severe impairment of judgment, insight and foresight. Witzelsucht syndrome: Self amusement from poor jokes and puns, also known as pathological joking, is seen in frontal lobe tumors.