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Updated: Sep 10, 2025
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The Joint Effect of Social Comparison and Social Distance on Evaluation of Intertemporal Choice Outcomes in Event-related Potential Studies
Published on: August 25, 2023
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Reward Network Activations of Win Versus Loss in a Monetary Gambling Task.
Chella Kamarajan1, Babak A Ardekani2,3, Ashwini K Pandey1
1Henri Begleiter Neurodynamics Laboratory, Department of Psychiatry and Behavioral Science, SUNY Downstate Health Sciences University, Brooklyn, NY 11203, USA.
Behavioral Sciences (Basel, Switzerland)
|August 28, 2025
Summary
This study reveals how the brain processes monetary rewards, linking brain activity in areas like the putamen and caudate nucleus to gambling behavior and cognitive functions such as memory and planning.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Neuroimaging
Background:
- Reward processing is crucial for survival and is often disrupted in psychiatric and neurological conditions.
- Understanding the neural basis of reward evaluation is key to addressing these disorders.
Purpose of the Study:
- To investigate the brain's reward network activity during monetary win/loss evaluation.
- To associate neural activity with behavioral traits (impulsivity, performance) and neuropsychological functioning.
Main Methods:
- Functional MRI (fMRI) was used on 30 healthy males performing a monetary gambling task.
- Blood oxygenation level-dependent (BOLD) signals were analyzed during win versus loss trials.
Main Results:
- Key reward network regions (putamen, caudate nucleus, parietal lobule) showed higher BOLD signals during wins.
- Activations correlated with impulsivity, betting strategy (risky/safer bets), short-term memory, and planning skills.
Conclusions:
- Neural substrates in the reward network are associated with evaluating monetary outcomes.
- These brain regions' activity relates to individual differences in behavior and cognition.
- Findings provide insights into reward processing, with potential for clinical applications.
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