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Related Experiment Video

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A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
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Clinical Manifestations.

Iany Tâmilla Pereira Batista1, Keviny Magalhães Queiroz1, Gustavo Coelho Peixoto2

  • 1Federal University of Ceará, Fortaleza, Ceará, Brazil.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 25, 2025
PubMed
Summary

Electroencephalography (EEG) combined with memory testing reveals brainwave patterns linked to cognitive performance in older adults. This neurophysiological approach offers deeper insights into memory and learning functions.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Gerontology

Background:

  • Growing elderly population necessitates effective cognitive decline screening.
  • Memory and learning tests integrated with electroencephalography (EEG) are explored in healthy older adults.
  • Research aims to correlate cognitive performance with EEG changes for neurophysiological insights.

Purpose of the Study:

  • To investigate the correlation between cognitive performance and EEG activity during a memory and learning test.
  • To provide a comprehensive neurophysiological perspective on cognitive functions in the elderly.
  • To assess the potential of integrated cognitive testing and EEG monitoring for evaluating cognitive health.

Main Methods:

  • Utilized the Rey Auditory Verbal Learning Test (RAVLT) to assess episodic declarative memory.
  • Recorded electroencephalography (EEG) data, including Delta, Theta, Alpha, Beta, and Gamma waves.
  • Included 18 healthy elderly participants in the experimental phase.

Main Results:

  • Significant correlations found between EEG brainwave activity and cognitive performance.
  • Higher alpha activity negatively correlated with immediate and delayed recall.
  • Higher gamma activity positively correlated with immediate and delayed recall, while beta activity negatively correlated with learning across trials.

Conclusions:

  • Cognitive testing with EEG monitoring shows promise for assessing elderly cognitive function.
  • EEG integration offers deeper insights into neurophysiological processes of cognition.
  • Further studies are needed to validate the clinical applicability of this combined approach.