Reflexive activation of newly instructed stimulus–response rules: evidence from lateralized readiness potentials in no-go trials

Nachshon Meiran, Maayan Pereg, Yoav Kessler, Michael W. Cole, Todd S. Braver

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Previous behavioral and electrophysiological evidence has suggested that the instructions for a new choice task are processed even when they are not currently required, indicating intention-based reflexivity. Yet these demonstrations were found in experiments in which participants were set to execute a response (go). In the present experiment, we asked whether intention-based reflexivity would also be observed under unfavorable conditions in which participants were set not to respond (no-go). In each miniblock of our paradigm, participants received instructions for a task in which two new stimuli were mapped to right/left keys. Immediately after the instructions, a no-go phase began, which was immediately followed by a go phase. We found a significant stimulus-locked lateralized readiness potential in the first no-go trial, indicating reflexive operation of the new instructions. These results show that representing instructions in working memory provides sufficient conditions for stimuli to launch task processing, proceeding all the way until motor response-specific brain activation, which takes place even under unfavorable, no-go conditions.

Original languageEnglish (US)
Article number9
Pages (from-to)365-373
Number of pages9
JournalCognitive, Affective and Behavioral Neuroscience
Volume15
Issue number2
DOIs
StatePublished - Jun 22 2015

All Science Journal Classification (ASJC) codes

  • Cognitive Neuroscience
  • Behavioral Neuroscience

Keywords

  • Automaticity
  • Instructions
  • Intention-based reflexivity
  • LRP
  • Working memory

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