The term allodynia comes from the Greek words allos (other) and odunè (pain), translating loosely to 'other pain'. It is used to denote a condition characterized by pain due to a stimulus that does not normally evoke pain. Patho-physiologically, allodynia involves a change in the quality of nociception, whether tactile, thermal, or of any other origin, which is associated with an alteration in the specificity of the tactile sensory modality. Some examples of allody-nia are cold allodynia, heat allodynia, and tactile allodynia. The term allodynia is used in opposition to the term * hyperalgesia, which represents an augmented response of pain receptors to painful (as opposed to normal) stimuli. Conceptually, allodynia and hyperalgesia should not be confused with other pain syndromes, such as * algopsychalia, * dysaesthesia, * paraesthesia, * hyperpathia, and * hallucinated pain. The issue whether pain can also be experienced in a hallucinated form is a knotty philosophical issue.
   Coutaux, A., Adam, F., Willer, J.C., Le Bars, D. (2005). Hyperalgesia and allodynia: Peripheral mechanisms. Joint Bone Spine, 72, 359—371.
   Canavero, S., Bonicalzi, V. (2007). Central pain syndrome. Pathophysiology, diagnosis and management. Cambridge: Cambridge University Press.

Dictionary of Hallucinations. . 2010.

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  • allodynia — / din i ə/ noun (Gr odynē pain) the experience of severe pain as a result of a stimulus that would not normally cause it • • • Main Entry: ↑allo …   Useful english dictionary

  • Allodynia — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 30788 ICD10 = ICD9 = ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = Allodynia, meaning other pain , is a painful response to a usually non painful stimulus and can be… …   Wikipedia

  • allodynia — Condition in which ordinarily nonpainful stimuli evoke pain. [allo + G. odyne, pain] * * * al·lo·dyn·ia .al ə din ē ə n pain resulting from a stimulus (as a light touch of the skin) which would not normally provoke pain also a condition marked by …   Medical dictionary

  • cold allodynia —    see allodynia …   Dictionary of Hallucinations

  • heat allodynia —    see allodynia …   Dictionary of Hallucinations

  • tactile allodynia —    see allodynia …   Dictionary of Hallucinations

  • Mechanosensation — is a response mechanism to mechanical stimuli. The physiological foundation for the senses of touch, hearing and balance, and pain is the conversion of mechanical stimuli into neuronal signals: mechanosensation. Mechanoreceptors of the skin,… …   Wikipedia

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