Non-noxious stimulus is perceived as pain in: (A) Allodynia, (B) Hyperalgesia, (C) Paraesthesia, (D) Hyperpathia
Answer is A. 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