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- W2977300561 abstract "It is well known that estrogens influence cognitive activities, such as memory, and emotional states. The objective of the present study was to investigate the role of estrogens in the short-term memory processing of basic emotional face expressions, by means of event-related potentials (ERPs) and a recognition memory (RM) behavioural task. Healthy young women were divided into a periovulatory (PO) group, characterised by high levels of estrogens and low levels of progesterone, and an early follicular (EF) group, characterised by low levels of both estrogens and progesterone. During the RM task, all subjects viewed images of faces expressing six basic emotions (happiness, anger, disgust, sadness, surprise, fear) and one neutral expression while their electrophysiological activity was recorded. We considered P300 components, amplitude, and latency in response to each stimulus. Soon after the presentation of each stimulus face, a target image was presented, consisting of two faces, one of which was the same, while the other was a chimerical face, obtained by mixing the upper or lower halves of the faces of the stimulus image with a different emotion. The subjects had to choose between the two alternatives, and the reaction time (RT) and accuracy of response (RM errors) were measured. The main findings of this study showed that P300 amplitudes are significantly higher in response to the expressions of happiness, but significantly lower for sadness, in PO compared to EF. The P300 data are consistent with performance in the RM task and with the measures of RT. The interest in the emotion of happiness, unlike sadness, during the PO phase may reflect the evolutionary significance of female sex hormones linked to mating behaviour." @default.
- W2977300561 created "2019-10-10" @default.
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- W2977300561 date "2019-10-01" @default.
- W2977300561 modified "2023-10-18" @default.
- W2977300561 title "Electrophysiological and Behavioral Indices of the Role of Estrogens on Memory Processes for Emotional Faces in Healthy Young Women" @default.
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- W2977300561 doi "https://doi.org/10.3389/fnbeh.2019.00234" @default.
- W2977300561 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6779715" @default.
- W2977300561 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/31632252" @default.
- W2977300561 hasPublicationYear "2019" @default.
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