It’s not me, it’s you - Differential neural processing of social and non-social nogo cues in joint action

Jutta Peterburs, Roman Liepelt, Rolf Voegler, Sebastian Ocklenburg, Thomas Straube

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


This study used a joint flanker task to investigate differences in processing of social and non-social nogo cues, i.e., between cues indicating that a co-actor should respond and cues signaling that neither actor nor co-actor should respond, using event-related potentials (ERPs) and trial-to-trial response times (RTs). It was hypothesized that a social co-actor’s response should be reflected in stronger modulation (slower RTs on subsequent trials; augmented neural responses) for social compared to non-social nogo. RTs and ERPs replicated flanker compatibility effects, with faster responses and increased P3a on compatible trials. In line with the hypotheses, ERPs revealed distinct coding of social and non-social nogo in the conflict-sensitive N2 which showed a compatibility effect only for social nogo, and in the attention/memory-related P3b which was larger for social relative to non-social nogo. The P3a did not distinguish between social and non-social nogo, but was larger for compatible and smaller for go trials. Contrary to our hypotheses, RTs were faster after social relative to non-social nogo. Hence, the representation of the co-actor’s response in joint action modulates conflict processing reflected in the N2 and response discrimination and evaluation reflected in the P3b and may facilitate subsequent responses in the context of social versus non-social nogo.

Original languageEnglish (US)
Pages (from-to)114-124
Number of pages11
JournalSocial Neuroscience
Issue number1
StatePublished - Jan 2 2019
Externally publishedYes


  • Performance monitoring
  • cognitive control
  • electroencephalography (EEG)
  • event-related potentials (ERPs)
  • task sharing

ASJC Scopus subject areas

  • Social Psychology
  • Development
  • Behavioral Neuroscience


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