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Memory self-efficacy beliefs modulate brain activity when encoding real-world future intentions.

Grégoria Kalpouzos1, Johan Eriksson

  • 1Umeå Center for Functional Brain Imaging (UFBI), Umeå, Sweden ; Department of Integrative Medical Biology, Physiology Section, Umeå University, Umeå, Sweden ; Aging Research Center (ARC), Karolinska Institute and Stockholm University, Stockholm, Sweden.

Plos One
|September 11, 2013
PubMed
Summary
This summary is machine-generated.

Memory self-efficacy beliefs influence brain activity during memory encoding. Low self-efficacy is linked to increased hippocampal activity, possibly for compensation, while high self-efficacy engages executive control processes.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Memory Research

Background:

  • Episodic memory encoding strategies are well-studied.
  • The impact of memory self-efficacy on brain activity during encoding remains unexplored.

Purpose of the Study:

  • To investigate how memory self-efficacy beliefs modulate brain activity during the encoding of real-world intentions.
  • To explore the relationship between memory self-efficacy, cognitive control, and neurocognitive performance.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was used to measure brain activity during memory encoding in young adults.
  • Participants completed metamemory questionnaires and cognitive tasks assessing executive functions, working memory, and attention.
  • Participants were divided into low and high memory self-efficacy groups based on questionnaire results.

Main Results:

  • Encoding intentions activated medial temporal lobe, prefrontal cortex, parietal, occipital, and premotor regions.
  • Low memory self-efficacy believers showed greater activation in the hippocampus, precuneus, and lateral temporal cortex.
  • High memory self-efficacy believers exhibited increased activity in the dorsal anterior cingulate gyrus.
  • Low self-efficacy was associated with poorer performance in feature binding and visuospatial working memory manipulation.

Conclusions:

  • Memory self-efficacy beliefs significantly modulate neural activity during intentional memory encoding.
  • Increased hippocampal activation in low self-efficacy individuals may reflect compensatory strategies for deficits in processes like feature binding.
  • High self-efficacy appears to be associated with greater reliance on executive control mechanisms.