• Allodynia: Pain caused by a stimulus that is normally painless.

  • Anesthesia: complete loss of sensitivity.

  • Painful anesthesia: Pain felt in an area without any other sensation (no tenderness).

  • Dysesthesia: Abnormal and unpleasant sensation, spontaneous or provoked (touch, movement ...).

  • Hyperalgesia: Excessive sensitivity to painful stimulation.

  • Hyperesthesia: painful increase in sensitivity to the touch, currently replaced by mechanical allodynia.

  • Hypoesthesia: Decreased tactile sensitivity.

  • Paresthesia: non-painful tactile sensitivity disorder with tingling sensation, tingling or numbness.

  • Pain Threshold: The weakest stimulation for which a subject has recently experienced pain.