Merely possessing a placebo analgesic reduced pain intensity : preliminary findings from a randomized design

Victoria Wai-lan YEUNG, Andrew GEERS, Simon Man-chun KAM

Research output: Journal PublicationsJournal Article (refereed)

2 Citations (Scopus)

Abstract

An experiment was conducted to examine whether the mere possession of a placebo analgesic cream would affect perceived pain intensity in a laboratory pain-perception test. Healthy participants read a medical explanation of pain aimed at inducing a desire to seek pain relief and then were informed that a placebo cream was an effective analgesic drug. Half of the participants were randomly assigned to receive the cream as an unexpected gift, whereas the other half did not receive the cream. Subsequently, all participants performed the cold-pressor task. We found that participants who received the cream but did not use it reported lower levels of pain intensity during the cold-pressor task than those who did not receive the cream. Our findings constitute initial evidence that simply possessing a placebo analgesic can reduce pain intensity. The study represents the first attempt to investigate the role of mere possession in understanding placebo analgesia. Possible mechanisms and future directions are discussed.
Original languageEnglish
Pages (from-to)194-203
Number of pages10
JournalCurrent Psychology
Volume38
Issue number1
Early online date25 Apr 2017
DOIs
Publication statusPublished - Feb 2019

Bibliographical note

This research was part of a larger project supported by a Faculty Research Grant (FRG #02133) to the first author.

Keywords

  • Placebo effect
  • Mere possession
  • Cold pressor
  • Placebo analgesia
  • Pain

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