This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stroke and TIA, Subject name: Medicine
[{'content': '29 yrs male was brought to OPD by his wife giving history of aggressive behaviour with decreased social interaction and lack of self care. O/E grasp reflex present, CT scan would be showing lesion of which lobe ? \nSelect and explain. \nA. Frontal lobe, B. Occipital, C. Temporal, D. Parietal', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Frontal lobe lesion manifest as: (Anterior Cerebral Aery occlusion) Aggressive and antisocial behaviour Abulia Apathy Urge incontinence Magnetic gait/Gait apraxia O/E: Primitive reflexes like grasp and rooting reflex are present.', 'role': 'assistant'}]