an unpleasantsensory and emotional experience associated with, or resembling that associated with, actual or potentialtissue damage
New IASP definition of pain notes pt1:
pain is aways a personal experience that is influenced to varying degrees by biological, psychological and social factors
pain and nociception are different phenomena. Paincannot be inferred solely from activity in sensory neurons
through their life experiences, individuals learn the concept of pain
New IASP definition of pain notes pt2:
a persons report of an experience as pain should be respected
although pain usually serves an adaptive role, it may have adverse effects on function and social and psychological wellbeing
verbal descriptions is only one of several behaviour to express pain; inability to communicate doesnt negate the possibility that a human or a nonhuman animal experiences pain