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Brain activity patterns underlying memory confidence.

Syanah C Wynn1, Erika Nyhus1

  • 1Department of Psychology and Program in Neuroscience, Bowdoin College, Brunswick, Maine, USA.

The European Journal of Neuroscience
|March 19, 2022
PubMed
Summary
This summary is machine-generated.

This review explores brain activity linked to memory confidence. Key brain regions like the medial temporal lobe (MTL) and prefrontal cortex (PFC) show distinct patterns during memory encoding and retrieval, influencing confidence judgments.

Keywords:
decision makingepisodic memorymedial temporal lobeposterior parietal cortexprefrontal cortexrecognition

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Area of Science:

  • Neuroscience
  • Cognitive Psychology

Background:

  • Memory confidence is crucial for decision-making.
  • Understanding the neural basis of memory confidence is an active research area.

Purpose of the Study:

  • To review brain activity patterns associated with subjective memory confidence.
  • To examine the roles of the medial temporal lobe (MTL), prefrontal cortex (PFC), and posterior parietal cortex (PPC) in memory confidence.

Main Methods:

  • Literature review of studies investigating neural correlates of memory confidence.
  • Analysis of brain activity during memory encoding and retrieval phases.

Main Results:

  • Encoding-related MTL and ventrolateral PFC activity positively correlate with memory confidence.
  • Retrieval-related hippocampal and parahippocampal activity increase with confidence, particularly in high-confidence recognition.
  • PFC and PPC activity show mixed relationships with confidence, linked to monitoring and attention.

Conclusions:

  • Specific brain regions and their activity patterns are reliably associated with memory confidence.
  • This understanding enhances knowledge of brain-behavior relationships and memory-guided decision-making.