Which of following is true about allodynia?
*Allodynia describes the situation in which a non painful stimulus ,once perceived ,is experienced as painful ,even excruciating . 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 2245
C.N.S
Hyperalgesia
Loss of sensory sensations
Perception of non painful stimulus as pain
Hyperaesthesia
Perception of non painful stimulus as pain