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 DIX-Hallpike manoeuvre is done for assessing: and explain in detail?
(a) Vestibular function(Ref. Cummings, 6th ed., page 2551)DIX-Hallpike manoeuvre is a manoeuvre to rule out BPPV (benign paroxysmal positional vertigo) in any patient presenting with vertigo.