The Iowa Gambling Task and the somatic marker hypothesis: some questions and answers

Trends Cogn Sci. 2005 Apr;9(4):159-62; discussion 162-4. doi: 10.1016/j.tics.2005.02.002.


A recent study by Maia and McClelland on participants' knowledge in the Iowa Gambling Task suggests a different interpretation for an experiment we reported in 1997. The authors use their results to question the evidence for the somatic marker hypothesis. Here we consider whether the authors' conclusions are justified.

Publication types

  • Comment
  • Review

MeSH terms

  • Adaptation, Psychological
  • Awareness / physiology*
  • Biomarkers
  • Consciousness / physiology
  • Decision Making*
  • Emotions / physiology
  • Galvanic Skin Response / physiology*
  • Gambling / psychology*
  • Games, Experimental*
  • Humans
  • Models, Psychological
  • Prefrontal Cortex / physiology
  • Psychological Theory
  • Risk-Taking*


  • Biomarkers