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      The computational and neural substrates of moral strategies in social decision-making

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      Creators
      Baar, J.M. van
      Chang, L.J.
      Sanfey, A.G.
      Date of Archiving
      2019
      Archive
      Radboud Data Repository
      Data archive handle
      https://hdl.handle.net/11633/aabwlrrn
      Related publications
      The computational and neural substrates of moral strategies in social decision-making  
      Publication type
      Dataset
      Access level
      Restricted access
      Please use this identifier to cite or link to this item: https://hdl.handle.net/2066/203783   https://hdl.handle.net/2066/203783
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      Organization
      PI Group Decision Neuroscience
      SW OZ BSI SCP
      Audience(s)
      Life sciences
      Languages used
      English
      Key words
      Reciprocity; Trust Game; Moral opportunism; Moral strategy; Social decision-making; Guilt aversion; fMRI; Inequity aversion
      Abstract
      This is the data & code accompanying the manuscript:Van Baar, J., Chang, L., & Sanfey, A.G. (in press). The computational and neural substrates of moral strategies in social decision-making. Nature Communications.Abstract:Individuals employ different moral principles to guide their social decision-making, thus expressing a specific ‘moral strategy’. Which computations characterize different moral strategies, and how might they be instantiated in the brain? Here, we tackle these questions in the context of decisions about reciprocity using a modified Trust Game. We show that different participants spontaneously and consistently employ different moral strategies. By mapping an integrative computational model of reciprocity decisions onto brain activity using inter-subject representational similarity analysis of fMRI data, we find markedly different neural substrates for the strategies of 'guilt aversion' and 'inequity aversion', even under conditions where the two strategies produce the same choices. We also identify a new strategy, 'moral opportunism', in which participants adaptively switch between guilt and inequity aversion, with a corresponding switch observed in their neural activation patterns. These findings provide a valuable view into understanding how different individuals may utilize different moral principles.
      This item appears in the following Collection(s)
      • Datasets [1262]
      • Donders Centre for Cognitive Neuroimaging [3388]
      • Faculty of Social Sciences [27286]
       
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