Thursday, 15 April 2010

Hyperalgesia & Hyperesthesia

Hyperalgesia = An increased sensitivity to pain, may be caused by damage to nociceptors or peripheral nerves. Hyperalgesia also occurs as part of the evolved response to infection and as part of sickness behaviour

Hyperesthesia = a condition that involves an abnormal increase in sensitive stimuli of the senses (hear,touch,taste etc). Increased touch sensitivity is known as 'tactile hyperesthesia' and increased sound sensitivity is known as 'auditory hyperesthesia'.

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