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SWPS University - Main page

Impact of pregnancy on cognitive function in women

A team of researchers, including Aneta Brzezicka, Ph.D. / Associate Professor from SWPS University’s Neurocognitive Research Center investigated why a slight cognitive decline is regularly observed in expectant mothers.

#working memory #awakenings #pregnancy #attention #actigraphy

What we researched:

  • We investigated whether cognitive impairment, observed in pregnant women, could be related to sleep deterioration during pregnancy.

How we did it:

  • The study included 19 pregnant women in their third trimester of pregnancy, recruited at the Department of Gynecology and Obstetrics, Medical University of Warsaw, and 20 non-pregnant women as controls.
  • The assessment was performed using standardized vocabulary tests to assess cognitive performance, actigraphy to examine sleep parameters, and a set of self-report instruments.

What we discovered:

  • Sleep fragmentation in the third trimester of pregnancy may impair working memory consolidation. Pregnant women often complain about poor daily performance as well as non-restorative sleep.

Why is it important?

  • We showed that there is a relationship between lower sleep quality in pregnancy and worse cognitive functioning.

We can expect a cognitive decline in women with sleep disturbances in pregnancy. Therefore, we should pay more attention to the treatment of sleep disorders in pregnancy.