You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Hemiplegia is most often caused by thrombosis of: and explain in detail?
Hemiplegia occurs most commonly due to occlusion of middle cerebral aery. Paraplegia occurs due to occlusion of anterior cerebral aery. Posterior cerebral aery occlusion leads to Homonymous visual-field cut, usually a complete hemianopia Macular or central field sparing can occur if the occipital pole remains intact through blood supply from a branch of the middle cerebral aery.