The Journal of Gambling Issues (JGI) is the world's first and longest-running online, academic journal dedicated to understanding problem gambling. Due to the increasing convergence of gambling and gaming, the JGI expanded its scope in 2019 to include problem video gaming and technology use.

JGI is an open-access, indexed journal with a double blind peer review process that provides a scientific forum for developments in gambling-related research, policy issues, and treatments. JGI is now part of the Web of Science: Emerging Sources Citation Index. We are also indexed in Scopus, Crossref, Elselvier Series, Ebsco, Scimago and PsycInfo, among others.

Publishing Schedule and Fees: Issues are published triannually, although manuscripts are made publicly available as soon as they have been accepted/typeset on the JGI Online First platform. JGI does not charge any review or publication fees and is fully open access.

The JGI is published by the Centre for Addiction and Mental Health and funded by Ontario’s Ministry of Health and Long-Term Care.

French Language Announcement: Le JGI accepte désormais les manuscrits écrits en français. La procédure de soumission demeure la même en français et en anglais. Les instructions pour soumettre un manuscrit se retrouvent sous l'onglet Submissions. The JGI accepts manuscripts written in French. The submission process is identical for French and English manuscripts, and instructions are posted in the Submissions tab.

Journal ISSN (electronic): 1910-7595

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Online First: Issues 46 & 47

Table of Contents

Special Issue (46): Gambling, Gaming, & Technology Use

Copyright © 2020 Centre for Addiction and Mental Health
Editor-in-chief: Nigel E. Turner, Ph.D.
Managing Editor:Vivien Rekkas, Ph.D. (contact)

The Iowa gambling task (IGT) is a psychological task thought to simulate real-life decision making.It was introduced by Antoine Bechara, Antonio Damasio, Hanna Damasio and Steven Anderson,^[1] then researchers at the University of Iowa. It has been brought to popular attention by Antonio Damasio (proponent of the somatic marker hypothesis) in his best-selling book Descartes' Error.^[2]

The task was originally presented simply as the Gambling Task, or the 'OGT'. Later, it has been referred to as the Iowa gambling task and, less frequently, as Bechara's Gambling Task.^[3] The Iowa gambling task is widely used in research of cognition and emotion. A recent review listed more than 400 papers that made use of this paradigm.^[4]

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Task structure[edit]

Participants are presented with four virtual decks of cards on a computer screen. They are told that each deck holds cards that will either reward or penalize them, using game money. The goal of the game is to win as much money as possible. The decks differ from each other in the balance of reward versus penalty cards. Thus, some decks are 'bad decks', and other decks are 'good decks', because some decks will tend to reward the player more often than other decks.

Common findings[edit]

Most healthy participants sample cards from each deck, and after about 40 or 50 selections are fairly good at sticking to the good decks. Patients with orbitofrontal cortex (OFC) dysfunction, however, continue to persevere with the bad decks, sometimes even though they know that they are losing money overall. Concurrent measurement of galvanic skin response shows that healthy participants show a 'stress' reaction to hovering over the bad decks after only 10 trials, long before conscious sensation that the decks are bad.^[5] By contrast, patients with amygdala lesions never develop this physiological reaction to impending punishment. In another test, patients with ventromedial prefrontal cortex (vmPFC) dysfunction were shown to choose outcomes that yield high immediate gains in spite of higher losses in the future.^[6] Bechara and his colleagues explain these findings in terms of the somatic marker hypothesis.

The Iowa gambling task is currently being used by a number of research groups using fMRI to investigate which brain regions are activated by the task in healthy volunteers^[7] as well as clinical groups with conditions such as schizophrenia and obsessive compulsive disorder.

Critiques[edit]

Although the IGT has achieved prominence, it is not without its critics. Criticisms have been raised over both its design and its interpretation. Published critiques include:

• A paper by Dunn, Dalgliesh and Lawrence^[4]
• Research by Lin, Chiu, Lee and Hsieh,^[8] who argue that a common result (the 'prominent deck B' phenomenon) argues against some of the interpretations that the IGT has been claimed to support.
• Research by Chiu and Lin,^[9] the 'sunken deck C' phenomenon was identified, which confirmed a serious confound embedded in the original design of IGT, this confound makes IGT serial studies misinterpret the effect of gain-loss frequency as final-outcome for somatic marker hypothesis.
• A research group in Taiwan utilized an IGT-modified and relatively symmetrical gamble for gain-loss frequency and long-term outcome, namely the Soochow gambling task (SGT) demonstrated a reverse finding of Iowa gambling task.^[10] Normal decision makers in SGT were mostly occupied by the immediate perspective of gain-loss and inability to hunch the long-term outcome in the standard procedure of IGT (100 trials under uncertainty). In his book, Inside the investor's brain,^[11]Richard L. Peterson considered the serial findings of SGT may be congruent with the Nassim Taleb's^[12] suggestion on some fooled choices in investment.

References[edit]

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1. ^Bechara, A., Damasio, A. R., Damasio, H., Anderson, S. W. (1994). 'Insensitivity to future consequences following damage to human prefrontal cortex'. Cognition. 50 (1–3): 7–15. doi:10.1016/0010-0277(94)90018-3. PMID8039375.CS1 maint: multiple names: authors list (link)
2. ^Damasio, António R. (2008) [1994]. Descartes' Error: Emotion, Reason and the Human Brain. Random House. ISBN978-1-4070-7206-7.CS1 maint: ref=harv (link)Descartes' Error
3. ^Busemeyer JR, Stout JC (2002). 'A contribution of cognitive decision models to clinical assessment: Decomposing performance on the Bechara gambling task'. Psychological Assessment. 14 (3): 253–262. doi:10.1037/1040-3590.14.3.253.
4. ^ ^abDunn BD, Dalgleish T, Lawrence AD (2006). 'The somatic marker hypothesis: a critical evaluation'. Neurosci Biobehav Rev. 30 (2): 239–71. doi:10.1016/j.neubiorev.2005.07.001. PMID16197997.
5. ^Bechara A, Damasio H, Tranel D, Damasio AR (1997). 'Deciding advantageously before knowing the advantageous strategy'. Science. 275 (5304): 1293–5. doi:10.1126/science.275.5304.1293. PMID9036851.
6. ^Bechara A, Damasio H, Tranel D, Damasio AR (2000). 'Characterization of the decision-making deficit of patients with ventromedial prefrontal cortex lesions'. Brain. 123 (11): 2189–2202. doi:10.1093/brain/123.11.2189. PMID11050020.
7. ^Fukui H, Murai T, Fukuyama H, Hayashi T, Hanakawa T (2005). 'Functional activity related to risk anticipation during performance of the Iowa Gambling Task'. NeuroImage. 24 (1): 253–9. doi:10.1016/j.neuroimage.2004.08.028. PMID15588617.
8. ^Lin CH, Chiu YC, Lee PL, Hsieh JC (2007). 'Is deck B a disadvantageous deck in the Iowa Gambling Task?'. Behav Brain Funct. 3: 16. doi:10.1186/1744-9081-3-16. PMC1839101. PMID17362508.
9. ^Chiu, Yao-Chu; Lin, Ching-Hung (August 2007). 'Is deck C an advantageous deck in the Iowa Gambling Task?'. Behavioral and Brain Functions. 3 (1): 37. doi:10.1186/1744-9081-3-37. PMC1995208. PMID17683599.
10. ^Chiu, Yao-Chu; Lin, Ching-Hung; Huang, Jong-Tsun; Lin, Shuyeu; Lee, Po-Lei; Hsieh, Jen-Chuen (March 2008). 'Immediate gain is long-term loss: Are there foresighted decision makers in the Iowa Gambling Task?'. Behavioral and Brain Functions. 4 (1): 13. doi:10.1186/1744-9081-4-13. PMC2324107. PMID18353176.
11. ^Richard L. Peterson (9 July 2007). Inside the Investor's Brain: The Power of Mind Over Money. Wiley. ISBN978-0-470-06737-6.
12. ^'Nassim Nicholas Taleb Home & Professional Page'. www.fooledbyrandomness.com.

External links[edit]

• A free implementation of the Iowa Gambling task is available as part of the PEBL Project. For free, you will need to contribute to the WIKI, financially, software development, or publish and cite the program.
• A customizable version of the web implementation that works with Google Spreadsheets (your own spreadsheet) is here.
• A free implementation for Android and iPad.

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