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This is an instantiation of the Ultimatum Game (UG) in fMRI. In this game, a proposer is charged with splitting a sum of money with a partner. The responder decides either to accept or reject this proposed offer. If accepted, the money is split as suggested, but if rejected then neither player receives anything. The parterns can be a combination of real people, computers. Offers are preceded by a picture of the partner for that round, and partner pictures are randomly paired to an offer amount. Full details of the task are available: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3594719/
Definition contributed by VSochat about two years ago

Descendant of: Ultimatum Game (UG)
social bargaining fMRI task has been asserted to measure the following CONCEPTS

No associations have yet been added

DISORDERS associated with social bargaining fMRI task
No associations have been added.


IMPLEMENTATIONS of social bargaining fMRI task
No implementations have been added.
EXTERNAL DATASETS for social bargaining fMRI task
No external datasets have been added.
CONDITIONS
No conditions have yet been associated.


Experimental conditions are the subsets of an experiment that define the relevant experimental manipulation.

CONTRASTS

In the Cognitive Atlas, we define a contrast as any function over experimental conditions. The simplest contrast is the indicator value for a specific condition; more complex contrasts include linear or nonlinear functions of the indicator across different experimental conditions.

INDICATORS
No indicators have yet been associated.


An indicator is a specific quantitative or qualitative variable that is recorded for analysis. These may include behavioral variables (such as response time, accuracy, or other measures of performance) or physiological variables (including genetics, psychophysiology, or brain imaging data).


User Discussion


"This task and its attributes were duplicated from Ultimatum Game (UG) on April 27, 2015."
VSochat (about two years ago)

Term History

REVISION 2

Definition contributed by VSochat about two years ago:This is an instantiation of the Ultimatum Game (UG) in fMRI. In this game, a proposer is charged with splitting a sum of money with a partner. The responder decides either to accept or reject this proposed offer. If accepted, the money is split as suggested, but if rejected then neither player receives anything. The parterns can be a combination of real people, computers. Offers are preceded by a picture of the partner for that round, and partner pictures are randomly paired to an offer amount. Full details of the task are available: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3594719/

REVISION 1

Definition contributed by VSochat about two years ago:A social interactive bargaining task that measures social preferences via the degree to which participants accept unfair and unequal offers. https://en.wikipedia.org/wiki/Ultimatum_game

View Term Event Log

Term Bibliography

Great expectations: neural computations underlying the use of social norms in decision-making.
Chang LJ, Sanfey AG
Social cognitive and affective neuroscience (Soc Cogn Affect Neurosci)
2013 Mar
Citation added by VSochat about two years ago
Citation Profile

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