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Purpose <p>This systematic review aims to synthesize current evidence on resting-state EEG activity across the menstrual cycle. Specifically, it explores whether cyclical hormonal fluctuations of estradiol and progesterone are associated with electrophysiological changes and evaluates the potential of resting-state EEG as a possible biomarker for neurophysiological changes related to mood, cognition, and emotional well-being across the healthy menstrual cycle.</p> Methods <p>A systematic search of PubMed, Web of Science, Scopus, SpringerLink, and PsycINFO was conducted to January 2025, identifying 23 relevant studies. PRISMA guidelines were followed to extract relevant articles, and we assessed the quality of the evidence using the GRADE approach.</p> Results <p>A total of 23 studies met the inclusion criteria. The most convergent findings show that the alpha EEG activity in frontal, parietal, and temporal brain areas tends to decrease, and the theta activity tends to increase during the late follicular phase (characterized by high estradiol and low progesterone) compared to the luteal phase (when estradiol level is lower and progesterone is higher). This resting-state electrophysiological activity could reflect greater attentional efficiency, emotional well-being, and a reduction in self-referential processing in the days surrounding ovulation. Findings for delta, beta, and gamma bands remain inconclusive.</p> Conclusions <p>This review suggests that resting-state EEG may serve as a potential biomarker of hormone-related changes in brain activity, offering preliminary insights for further research and early detection of hormone-sensitive mood disorders.</p>

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A systematic review of resting-state EEG across the menstrual cycle and its mental health relevance

  • 期刊论文

  • 发表日期：

    2026年1月30日

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  • Mónica Dafne García-Granados,
  • Manuel Alejandro Cruz-Aguilar,
  • Leonor Estela Hernández-López,
  • Ricardo Mondragón-Ceballos,
  • Lucía Martínez-Mota,
  • Ana Paula Rivera-García,
  • Ignacio Ramírez-Salado

摘要

Purpose

This systematic review aims to synthesize current evidence on resting-state EEG activity across the menstrual cycle. Specifically, it explores whether cyclical hormonal fluctuations of estradiol and progesterone are associated with electrophysiological changes and evaluates the potential of resting-state EEG as a possible biomarker for neurophysiological changes related to mood, cognition, and emotional well-being across the healthy menstrual cycle.

Methods

A systematic search of PubMed, Web of Science, Scopus, SpringerLink, and PsycINFO was conducted to January 2025, identifying 23 relevant studies. PRISMA guidelines were followed to extract relevant articles, and we assessed the quality of the evidence using the GRADE approach.

Results

A total of 23 studies met the inclusion criteria. The most convergent findings show that the alpha EEG activity in frontal, parietal, and temporal brain areas tends to decrease, and the theta activity tends to increase during the late follicular phase (characterized by high estradiol and low progesterone) compared to the luteal phase (when estradiol level is lower and progesterone is higher). This resting-state electrophysiological activity could reflect greater attentional efficiency, emotional well-being, and a reduction in self-referential processing in the days surrounding ovulation. Findings for delta, beta, and gamma bands remain inconclusive.

Conclusions

This review suggests that resting-state EEG may serve as a potential biomarker of hormone-related changes in brain activity, offering preliminary insights for further research and early detection of hormone-sensitive mood disorders.