AI Article Synopsis
- The Iowa Gambling Task (IGT) is an effective method for studying decision-making processes by providing feedback on choices, and its study has recently incorporated transcranial direct current stimulation (tDCS) to explore cognitive and neural mechanisms.
- A scoping review found that tDCS could improve IGT performance, particularly highlighting the importance of the dorsolateral prefrontal cortex and orbitofrontal cortex in making risky or ambiguous decisions.
- The findings suggest that tDCS can enhance decision-making in both healthy individuals and patients, indicating its potential application in daily decisions and emphasizing the need for further research into the underlying mechanisms.
Article Abstract
Introduction: Among the tasks employed to investigate decisional processes, the Iowa Gambling Task (IGT) appears to be the most effective since it allows for deepening the progressive learning process based on feedback on previous choices. Recently, the study of decision making through the IGT has been combined with the application of transcranial direct current stimulation (tDCS) to understand the cognitive mechanisms and the neural structures involved. However, to date no review regarding the effects of tDCS on decisional processes assessed through the IGT is available. This scoping review aims to provide a comprehensive exploration of the potential effects of tDCS in enhancing decisional processes, assessed with the IGT, through the evaluation of the complete range of target cases.
Methods: The existing literature was analyzed through the PRISMA approach.
Results: Results reported that tDCS can enhance performance in the IGT and highlighted a pivotal role of the dorsolateral prefrontal cortex and the orbitofrontal cortex in risky and ambiguous decisions.
Discussion: Thus, tDCS over the brain regions identified improves the decisional processes in healthy subjects and patients, confirming its potential to enhance decision making in everyday contexts and deepen the neural correlates. Suggestions for further studies are provided to delve into decisional mechanisms and how to better support them.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11688180 | PMC |
| http://dx.doi.org/10.3389/fpsyg.2024.1454796 | DOI Listing |
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