Distinct cognitive mechanisms in a gambling task share neural mechanisms

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Psychophysiology. 2011, 48(8), pp. 1037-1046. ISSN 0048-5772. eISSN 1540-5958. Available under: doi: 10.1111/j.1469-8986.2011.01177.x
Zusammenfassung

Distinct psychological processes have been proposed to unfold in decision-making. The time course of neural mechanisms supporting these processes has not been fully identified. The present MEG study examined spatio-temporal activity related to components of decision-making proposed to support reward valuation, reward prediction, and outcome evaluation. Each trial presented information on reward value (10 or 50 cents) and reward probability (10%, 50%, or 90%). Brain activity related to those inputs and to outcome feedback was evaluated via electromagnetic responses in source space. Distributed dipole activity reflected reward value and reward probability 150–350 ms after information arrival. Neural responses to reward-value information peaked earlier than those to reward-probability information. Results suggest that valuation, prediction, and outcome evaluation share neural structures and mechanisms even on a relatively fine time scale.

Zusammenfassung in einer weiteren Sprache
Fachgebiet (DDC)
150 Psychologie
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Decision-making, Magnetoencephalography, MEG, Reward prediction, gambling
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ISO 690STEFFEN, Astrid, Brigitte ROCKSTROH, Christian WIENBRUCH, Gregory A. MILLER, 2011. Distinct cognitive mechanisms in a gambling task share neural mechanisms. In: Psychophysiology. 2011, 48(8), pp. 1037-1046. ISSN 0048-5772. eISSN 1540-5958. Available under: doi: 10.1111/j.1469-8986.2011.01177.x
BibTex
@article{Steffen2011-08Disti-15410,
  year={2011},
  doi={10.1111/j.1469-8986.2011.01177.x},
  title={Distinct cognitive mechanisms in a gambling task share neural mechanisms},
  number={8},
  volume={48},
  issn={0048-5772},
  journal={Psychophysiology},
  pages={1037--1046},
  author={Steffen, Astrid and Rockstroh, Brigitte and Wienbruch, Christian and Miller, Gregory A.}
}
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