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Area of Science:

  • Cognitive Neuroscience
  • Neuroimaging

Background:

  • Error monitoring is crucial for adaptive behavior.
  • The relationship between proactive attention and early error detection remains unclear.

Purpose of the Study:

  • To investigate the influence of pre-response attentional control on early error detection.
  • To explore the functional link between precuneus activity and the Error-Related Negativity (ERN) component.

Main Methods:

  • Used advanced electroencephalography (EEG) with topographic mapping.
  • Participants performed a speeded go/nogo task.
  • Analyzed pre-response brain activity and error-related potentials (ERN).

Main Results:

  • Correct responses showed a distinct topographic transition involving the precuneus before the response, unlike errors.
  • This precuneus activity was linked to top-down attentional control, not motor preparation.
  • A functional association was found between precuneus activity duration and ERN magnitude following errors.

Conclusions:

  • Proactive attentional control, mediated by the precuneus, influences early error detection.
  • Suggests reciprocal interactions between attention, decision-making, and error monitoring processes.