The Drift Diffusion Model can account for the accuracy and reaction time of value-based choices under high and low time pressure

By Milica D. Milosavljević, Jonathan Malmaud, Alexander G. Huth, Christof Koch, Antonio Rangel. Judgment and Decision Making, 2010

344 citations recorded by the source corpus.

An important open problem is how values are compared to make simple choices. A natural hypothesis is that the brain carries out the computations associated with the value comparisons in a manner consistent with the Drift Diffusion Model (DDM), since this model has been able to account for a large amount of data in other domains. We investigated the ability of four different versions of the DDM to explain the data in a real binary food choice task under conditions of high and low time pressure. We found that a seven-parameter version of the DDM can account for the choice and reaction time data with high-accuracy, in both the high and low time pressure conditions. The changes associated with the introduction of time pressure could be traced to changes in two key model parameters: the barrier height and the noise in the slope of the drift process.

Subfields: Cognitive Neuroscience

View Paper: https://www.semanticscholar.org/paper/48b22d9c7e9c538e56dd413e1c78c4b1e010af18

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In Cognitive Neuroscience

  1. Antonio Rangel
  2. Eric-Jan Wagenmakers
  3. John A. Clithero
  4. Scott D. Brown
  5. Roger Ratcliff
  6. Gail McKoon
  7. Birte U. Forstmann
  8. Ian Krajbich

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