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Region Hovedstaden - en del af Københavns Universitetshospital
Udgivet

Hormonal contraceptives, menstrual cycle and brain response to faces

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DOI

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  • Klara Marecková
  • Jennifer S Perrin
  • Irum Nawaz Khan
  • Claire Lawrence
  • Erin Dickie
  • Doug A McQuiggan
  • Tomás Paus
  • IMAGEN Consortium
Vis graf over relationer

Both behavioral and neuroimaging evidence support a female advantage in the perception of human faces. Here we explored the possibility that this relationship may be partially mediated by female sex hormones by investigating the relationship between the brain's response to faces and the use of oral contraceptives, as well as the phase of the menstrual cycle. First, functional magnetic resonance images were acquired in 20 young women [10 freely cycling and 10 taking oral contraception (OC)] during two phases of their cycle: mid-cycle and menstruation. We found stronger neural responses to faces in the right fusiform face area (FFA) in women taking oral contraceptives (vs freely cycling women) and during mid-cycle (vs menstruation) in both groups. Mean blood oxygenation level-dependent response in both left and right FFA increased as function of the duration of OC use. Next, this relationship between the use of OC and FFA response was replicated in an independent sample of 110 adolescent girls. Finally in a parallel behavioral study carried out in another sample of women, we found no evidence of differences in the pattern of eye movements while viewing faces between freely cycling women vs those taking oral contraceptives. The imaging findings might indicate enhanced processing of social cues in women taking OC and women during mid-cycle.

OriginalsprogEngelsk
TidsskriftSocial Cognitive and Affective Neuroscience (Online)
Vol/bind9
Udgave nummer2
Sider (fra-til)191-200
Antal sider10
ISSN1749-5024
DOI
StatusUdgivet - feb. 2014
Eksternt udgivetJa

ID: 44913090