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Speeded response errors and the error-related negativity modulate early sensory processing.

Paul J Beatty1, George A Buzzell2, Daniel M Roberts1

  • 1George Mason University, USA.

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|August 11, 2018
PubMed
Summary
This summary is machine-generated.

Errors impair sensory processing, especially with short response-stimulus intervals (RSIs). The error-related negativity (ERN) component, not error positivity (Pe), mediated this effect in a Simon task, suggesting different error stages impact cognition.

Keywords:
ERNP1Performance monitoringResponse-stimulus intervalSpeeded-response errors

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Area of Science:

  • Cognitive Neuroscience
  • Psychology
  • Neuroscience

Background:

  • Error commission can impair subsequent sensory processing, particularly at short response-stimulus intervals (RSIs).
  • This impairment is thought to stem from cognitive resource bottlenecks during overlapping error and stimulus processing.
  • Previous research explored data-limited errors, but the impact of speeded-response errors on this relationship was unclear.

Purpose of the Study:

  • To investigate how speeded-response errors in a Simon task modulate subsequent sensory processing.
  • To examine the role of different error-related electroencephalogram (EEG) components (ERN and Pe) in mediating this effect.
  • To determine if response-stimulus interval (RSI) duration influences the relationship between error processing and sensory processing.

Main Methods:

  • Participants performed a modified Simon task with varied RSI durations.
  • Event-related potentials (ERPs) and behavioral data were recorded.
  • Sensory processing was indexed by the P1 component, and error processing by ERN and Pe.

Main Results:

  • Sensory processing (P1 amplitude) was reduced following errors at short RSIs (200-533 ms) but not long RSIs (866-1200 ms).
  • The magnitude of error processing influenced subsequent sensory processing, dependent on RSI duration.
  • Only the error-related negativity (ERN) modulated subsequent sensory processing, unlike prior findings with error positivity (Pe).

Conclusions:

  • Speeded-response errors, like data-limited errors, can impair subsequent sensory processing.
  • The effect of errors on sensory processing is contingent on the response-stimulus interval (RSI).
  • Different stages of error processing, specifically the ERN, mediate the impact of errors on sensory processing in the Simon task.