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Place and Response Learning in the Open-field Tower Maze
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Menstrual cycle phase effects on memory and Stroop task performance.

Takeshi Hatta1, Keiko Nagaya

  • 1Department of Psychology, Graduate School of Environmental Studies, Nagoya University, Nagoya, Japan. hatta@fuksi-kagk-u.ac.jp

Archives of Sexual Behavior
|January 9, 2009
PubMed
Summary

Hormonal fluctuations during the menstrual cycle impact cognitive performance. Lower estradiol levels may reduce attention, affecting Stroop task performance in women.

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Area of Science:

  • Neuroscience
  • Endocrinology
  • Cognitive Psychology

Background:

  • Gonadal steroid hormones, such as estradiol and progesterone, fluctuate throughout the menstrual cycle.
  • These hormonal changes are known to influence various physiological processes, including brain function and cognition.
  • Understanding these modulations is crucial for comprehending female cognitive variability.

Purpose of the Study:

  • To investigate the effects of menstrual cycle hormonal variations on cognitive performance in women.
  • To examine how estradiol and progesterone levels influence performance on the Stroop task and a logical memory task.

Main Methods:

  • Thirty women with regular menstrual cycles participated in the study.
  • Participants completed the Stroop task and a logical memory task (Wechsler Memory Scale).
  • Cognitive performance was assessed during different phases of the menstrual cycle, corresponding to low and high hormone levels.

Main Results:

  • A significant difference in Stroop task performance was observed between menstrual cycle phases with low and high estradiol and progesterone levels.
  • No significant differences in logical memory task performance were found between the two phases.
  • No significant mood changes were reported that could account for cognitive performance variations.

Conclusions:

  • Sex-related hormone modulation selectively impacts cognitive functions based on task type.
  • Lower levels of estradiol during the menstrual cycle may be associated with reduced attention, potentially linked to prefrontal cortex activity.