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Pain

Pain

Pain serves as a critical warning signal that alerts the body to potential or actual harm. When mechanical pressure on the skin is intense, such as from a sharp pinch, the sensation transitions from touch to pain. Similarly, extreme temperatures, like a hot pot handle, convert the sensation of heat into pain. Pain can also result from overstimulation of other senses, such as blinding light, loud noise, or the intense heat from habañero peppers. This ability to sense pain is essential for...

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Related Experiment Video

Updated: Feb 17, 2026

Author Spotlight: Quantifying Pain Experience – An Illustrative Approach Using the Pain Body Diagram

Author Spotlight: Quantifying Pain Experience – An Illustrative Approach Using the Pain Body Diagram

Published on: July 7, 2023

Psychometric Study of the Pain Drawing.

Lisa H Trahan¹, Emily Cox-Martin², Carrie E Johnson³

¹Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Unit 1330, P. O. Box 301439, Houston, TX, USA 77230.

Journal of Applied Biobehavioral Research

|December 13, 2017

Summary

Pain drawings reliably show pain location and spread among cancer patients. Scores correlate with symptom severity and neuropathic pain descriptors, validating their use in multidisciplinary pain assessment.

Keywords:

cancer chemotherapy-induced peripheral neuropathy interrater reliability pain drawing validity

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Last Updated: Feb 17, 2026

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Published on: January 21, 2017

Area of Science:

Oncology
Pain Medicine
Psychology

Background:

Cancer treatment can induce neuropathic pain.
Pain drawing is a tool to assess pain location and dispersion.
Reliability and validity of pain drawing need evaluation in cancer patients.

Purpose of the Study:

Assess interrater reliability of pain drawing scoring methods across disciplines.
Investigate validity indicators of pain drawing in cancer patients with treatment-induced neuropathic pain.

Main Methods:

56 patients with cancer treatment-induced neuropathic pain participated.
Patients completed the Brief Pain Inventory Body Map, MD Anderson Symptom Inventory, and McGill Pain Questionnaire.

Main Results:

High interrater reliability (ICC .93-.99) was found among medical and psychology professionals.
Pain drawing scores correlated with symptom burden severity (.29-.39) and interference (.28-.34).
Patients with hand/foot pain reported more neuropathic descriptors (electric, numb, shooting).

Conclusions:

Pain drawings demonstrate consistent interpretation of pain location and dispersion among multidisciplinary pain teams.
Pain drawing scores are valid indicators, correlating with symptom burden and neuropathic pain characteristics.