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Related Experiment Videos

Top-down control over feedback processing: The probability of valid feedback affects feedback-related brain activity.

Benjamin Ernst1, Marco Steinhauser1

  • 1Catholic University Eichstätt-Ingolstadt, Germany.

Brain and Cognition
|April 14, 2017
PubMed
Summary

Top-down knowledge about feedback validity influences how the brain processes decision outcomes. This study shows that fronto-central event-related potentials (ERPs) reflect feedback processing differently based on expected feedback validity, impacting learning.

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Area of Science:

  • Cognitive Neuroscience
  • Decision-Making Research
  • Neuroscience of Learning

Background:

  • Adaptive decision-making relies on effective processing of feedback.
  • Fronto-central event-related potentials (ERPs) serve as neural markers for feedback valence and processing.
  • The role of top-down control, specifically knowledge of feedback validity, in modulating feedback evaluation remains under investigation.

Purpose of the Study:

  • To investigate if top-down knowledge about feedback validity influences the neural processes of feedback evaluation.
  • To examine the impact of prior information regarding feedback validity on learning and event-related potentials (ERPs).

Main Methods:

  • Participants engaged in a decision task where feedback validity varied.
  • Feedback was followed by cues indicating validity (valid/invalid).
Keywords:
Decision-makingFeedback validityFeedback-related negativityTop-down control

Related Experiment Videos

  • Participants received block-specific information on the frequency of valid feedback prior to each block.

    • Main Results:

    • Feedback validity significantly affected both learning outcomes and fronto-central ERPs.
    • A clear fronto-central valence effect was observed for high-validity feedback.
    • This valence effect was notably absent for low-validity feedback.

    Conclusions:

    • Prior knowledge of feedback validity, modulated by top-down processes, significantly impacts feedback evaluation.
    • The brain's processing of decision outcome feedback is not solely bottom-up but is influenced by expectations.
    • These findings highlight the role of cognitive control in adaptive decision-making and learning.