Which one of the following is the description used for the term allodynia?: (A) Absence of pain perception, (B) Complete lack of pain sensation, (C) Unpleasant sensation with or without a stimulus, (D) Perception of an ordinarily non noxious stimulus as severe pain
Answer is D. 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: Ganong&;s review of medical physiology, 23rd edition, Page no:168