A Criticism of the IASP's Definition of Pain

Andrew  Wright

A Criticism of the IASP's Definition of Pain

Andrew Wright

visibility

8.31K

views

Abstract

Like other fundamental experiences, the phenomenal qualities of pain seem to defy description. But unlike these experiences it is difficult to define pain in terms of a consistent relationship with the extra-mental world. The IASP’s solution is to qualify an imprecise characterisation of pain’s phenomenal qualities through an association with tissue damage and an ability to recognise pain sensation. In this paper I will argue that the IASP’s definition lacks the clarity and coherence necessary to provide an adequate definition of pain. I begin by setting out the difficulties of defining pain. I then describe the IASP’s solution and provide a detailed criticism of their approach. I also discuss inconsistencies evident in their wider taxonomy. In the final section I argue that pain can be objectively grounded by reference to pain’s evolutionary role and suggest an alternative definition.

Key takeaways

AI generated

The IASP's definition of pain lacks clarity and coherence necessary for an adequate understanding.
Pain's phenomenal qualities defy precise definition, complicating its relationship with tissue damage.
The IASP definition has evolved over thirty years but has received minimal independent scrutiny.
Pain can exist without tissue damage, challenging traditional assumptions about its causes.
An alternative definition proposed emphasizes pain's evolutionary role in motivating behavior to avoid tissue damage.

FAQ's

AI generated

What are the challenges in defining pain objectively?add

The paper reveals that pain's subjective experience does not consistently align with external stimuli, complicating objective definitions. For instance, the relationship between pain and tissue damage remains inconsistent, as pain can occur without tissue damage.

How does the IASP approach the definition of pain?add

The IASP characterizes pain as an unpleasant sensory and emotional experience linked to actual or potential tissue damage. This approach has been critiqued for its clarity and coherence, failing to universally define pain.

What are the implications of the IASP's definition for clinical practice?add

The IASP's definition aims to assist clinicians by accepting self-reported pain, even in the absence of tissue damage. However, this may lead to misclassification of pain experiences, potentially overlooking atypical pain cases.

How does the subjective nature of pain impact its definition?add

The paper argues that individual subjective experiences of pain can differ vastly, complicating universal definitions. This subjectivity suggests that self-reporting cannot reliably ground a definition due to its inherent variability across individuals.

What alternative definition of pain does the paper propose?add

The paper proposes defining pain as an unpleasant sensation evolved to motivate behavior preventing tissue damage. This definition attempts to capture the evolutionary function and unpleasant quality of pain while avoiding the IASP's ambiguities.

1 of 20

Download research papers for free!

References (9)

Anand, K. (1996) Re: Reply to Letters to the Editor from Merskey and Wall, Pain 66, p.210.

Anand, K. & Craig, K. (1996) New Perspectives on the Definition of Pain, Pain 67, pp.3-6.

Bonica, J. (1979) The Need of a Taxonomy, Pain 6, pp. 247-248.

Derbyshire, S. (1996) Comment on Editorial by Anand and Craig, Pain 66, pp.210- 211. Fields, H. (1999) Pain: an unpleasant topic, Pain Supplement 6, pp.S61-S69. International Association for the Study of Pain (1979) Pain Terms: A List with Definitions and Notes on Usage, Pain 6, pp.249-252. International Association for the Study of Pain (1986) Pain Terms: A Current List with Definitions and Notes on Usage, Pain Supplement 3, pp.S215-S221. International Association for the Study of Pain (2010) IASP Pain Terminology [Online], http://www.iasp- pain.org/AM/Template.cfm?Section=Pain_Definitions&Template=/CM/HTMLDispla y.cfm&ContentID=1728 [11 Nov 2010].

Loeser J. & Treede, R. (2008) The Kyoto protocol of IASP Basic Pain Terminology, Pain 137, pp. 473-477.

Merskey, H. (1996) Response to Editorial: New Perspectives on the Definition of Pain, Pain 66, p.209.

Moseley, G. (2007) Reconceptualising Pain According to Modern Pain Science, Physical Therapy Reviews 12, pp.169-178.

Nagel, T. (1974) What is it like to be a bat?, Philosophical Review, 83 (4), pp.435- 450.

Sloman, A., Chrisley, R. & Scheutz, M. (2005) The Architectural Basis of Affective States and Processes, in Fellous, J. & Arbib, M. (eds.) Who Needs Emotions?, Oxford: OUP.