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Learning exceptions to category rules varies across the menstrual cycle
Univ Toronto, Canada.
Univ Toronto, Canada.
Linköping University, Department of Thematic Studies, The Department of Gender Studies. Linköping University, Faculty of Arts and Sciences. Univ Toronto, Canada; Baycrest Hosp, Canada.ORCID iD: 0000-0002-0770-5471
Univ Toronto, Canada.
2023 (English)In: Scientific Reports, E-ISSN 2045-2322, Vol. 13, no 1, article id 21999Article in journal (Refereed) Published
Abstract [en]

Ways in which ovarian hormones affect cognition have been long overlooked despite strong evidence of their effects on the brain. To address this gap, we study performance on a rule-plus-exception category learning task, a complex task that requires careful coordination of core cognitive mechanisms, across the menstrual cycle (N = 171). Results show that the menstrual cycle distinctly affects exception learning in a manner that parallels the typical rise and fall of estradiol across the cycle. Participants in their high estradiol phase outperform participants in their low estradiol phase and demonstrate more rapid learning of exceptions than a male comparison group. A likely mechanism underlying this effect is estradiol's impact on pattern separation and completion pathways in the hippocampus. These results provide novel evidence for the effects of the menstrual cycle on category learning, and underscore the importance of considering female sex-related variables in cognitive neuroscience research.

Place, publisher, year, edition, pages
NATURE PORTFOLIO , 2023. Vol. 13, no 1, article id 21999
National Category
Psychology (excluding Applied Psychology)
Identifiers
URN: urn:nbn:se:liu:diva-199996DOI: 10.1038/s41598-023-48628-xISI: 001123908100002PubMedID: 38081874OAI: oai:DiVA.org:liu-199996DiVA, id: diva2:1826177
Note

Funding Agencies|Ontario Graduate Scholarship - International; Natural Sciences and Engineering Research Council (NSERC) Canada; NSERC [RGPIN-2017-06753]; Canada Foundation for Innovation and Ontario Research Fund [36601]; Brain Canada Future Leaders in Canadian Brain Research Grant; Joyce Posluns Chair in Women's Brain Health and Aging from the Posluns Family Foundation; Canadian Institutes of Health Research; Alzheimer's Society of Canada [WJP-150643, CCNA 049-04]

Available from: 2024-01-11 Created: 2024-01-11 Last updated: 2024-10-21

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CiteExportLink to record
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Citation style
  • apa
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Language
  • de-DE
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