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@ARTICLE{Pfeiffer:154701,
      author       = {Pfeiffer, Ulrich and Schilbach, Leonhard and Timmermans,
                      Bert and Kuzmanovic, Bojana and Georgescu, Alexandra Livia
                      and Bente, G. and Vogeley, Kai},
      title        = {{W}hy we interact: {O}n the functional role of the striatum
                      in the subjective experience of social interaction},
      journal      = {NeuroImage},
      volume       = {101},
      issn         = {1053-8119},
      address      = {Orlando, Fla.},
      publisher    = {Academic Press},
      reportid     = {FZJ-2014-03985},
      pages        = {124 - 137},
      year         = {2014},
      abstract     = {There is ample evidence that human primates strive for
                      social contact and experience interactions with conspecifics
                      as intrinsically rewarding. Focusing on gaze behavior as a
                      crucial means of human interaction, this study employed a
                      unique combination of neuroimaging, eye-tracking, and
                      computer-animated virtual agents to assess the neural
                      mechanisms underlying this component of behavior. In the
                      interaction task, participants believed that during each
                      interaction the agent's gaze behavior could either be
                      controlled by another participant or by a computer program.
                      Their task was to indicate whether they experienced a given
                      interaction as an interaction with another human participant
                      or the computer program based on the agent's reaction.
                      Unbeknownst to them, the agent was always controlled by a
                      computer to enable a systematic manipulation of gaze
                      reactions by varying the degree to which the agent engaged
                      in joint attention. This allowed creating a tool to
                      distinguish neural activity underlying the subjective
                      experience of being engaged in social and non-social
                      interaction. In contrast to previous research, this allows
                      measuring neural activity while participants experience
                      active engagement in real-time social interactions. Results
                      demonstrate that gaze-based interactions with a perceived
                      human partner are associated with activity in the ventral
                      striatum, a core component of reward-related neurocircuitry.
                      In contrast, interactions with a computer-driven agent
                      activate attention networks. Comparisons of neural activity
                      during interaction with behaviorally naïve and explicitly
                      cooperative partners demonstrate different temporal dynamics
                      of the reward system and indicate that the mere experience
                      of engagement in social interaction is sufficient to recruit
                      this system.},
      cin          = {INM-8 / INM-3},
      ddc          = {610},
      cid          = {I:(DE-Juel1)INM-8-20090406 / I:(DE-Juel1)INM-3-20090406},
      pnm          = {472 - Key Technologies and Innovation Processes (POF2-472)
                      / 89572 - (Dys-)function and Plasticity (POF2-89572)},
      pid          = {G:(DE-HGF)POF2-472 / G:(DE-HGF)POF2-89572},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000344931800011},
      pubmed       = {pmid:24996121},
      doi          = {10.1016/j.neuroimage.2014.06.061},
      url          = {https://juser.fz-juelich.de/record/154701},
}