Decision-making in the (stressed) brain


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STEFFEN, Astrid Christine, 2010. Decision-making in the (stressed) brain [Dissertation]. Konstanz: University of Konstanz

@phdthesis{Steffen2010Decis-10081, title={Decision-making in the (stressed) brain}, year={2010}, author={Steffen, Astrid Christine}, address={Konstanz}, school={Universität Konstanz} }

Numerous components determine reward processing and decision-making, and numerous influences modify this processing: Reward valuation, reward prediction, risk calculation and feedback evaluation are some of them. Hemodynamic studies demonstrate which brain regions are active in decision-making. Knowledge about how these factors develop their impact over time or about how they are inter-related is still insufficient.<br />In a series of magnetoencephalographic studies, cortical correlates of decision-making were examined using one non-social gambling design and two bargaining variants with either a cooperative teammate or an aggressive opponent. Samples included healthy students and psychiatric patients who had experienced different amounts of early life stress.<br />In sum, these studies give first evidence about the sequence of temporo-spatial activity before, during, and after decision-making processes. Moreover, insights on the role of risk processing and the weighting of different decision strategies have been accumulated; and early life stress influences and those of (stressful) social context have been considered. terms-of-use 2011-03-25T09:13:58Z Steffen, Astrid Christine application/pdf Decision-making in the (stressed) brain 2011-03-25T09:13:58Z 2010 Steffen, Astrid Christine deu

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