<prompt> Non-noxious stimulus is perceived as pain inAllodyniaHyperalgesiaParaesthesiaHyperpathia  <response>: Allodynia refers to central pain sensitization increased response of neurons following normally non-painful, often repetitive, stimulation. Allodynia can lead to the triggering of a pain response from stimuli which do not normally provoke pain. Ref Harrison20th edition pg 2345 