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Hormones impact stress, memories, understanding social cues

Date:
November 11, 2013
Source:
Society for Neuroscience
Summary:
Research demonstrates unexpected roles that sex hormones may play in the cognitive function of females, including memory and interpreting social cues. Additionally, a chemical identified in pregnant mice may provide insight into developmental disorders, such as schizophrenia.

Research released today demonstrates unexpected roles that sex hormones may play in the cognitive function of females, including memory and interpreting social cues. Additionally, a chemical identified in pregnant mice may provide insight into developmental disorders, such as schizophrenia. The findings were presented at Neuroscience 2013, the annual meeting of the Society for Neuroscience and the world's largest source of emerging news about brain science and health.

Today's new findings show that:

  • Maternal stress can reduce levels of a chemical in the placenta that influences many other functions, such as development in mice. Additionally, the chemical could serve as a biomarker for maternal stress, a known risk factor for neurodevelopmental disorders like autism and schizophrenia
  • Estrogen replacement therapy in post-menopausal women may help prevent stress-related memory loss

Other recent findings discussed show that:

  • Tamoxifen, a drug used to treat breast cancer, may protect against cognitive loss in post-menopausal women
  • Estrogens, commonly thought of as a female reproductive hormone, are produced in the brains of males and females. In songbirds, estrogen may help process auditory social cues in both sexes and visual cues in males

"Researchers are recognizing there are more differences between male and female biologies than originally thought," said press conference moderator Catherine Woolley of Northwestern University, an expert on hormones such as estrogen. "These new studies help to show how sex differences and the actions of hormones in the brain affect how we develop, respond to the environment, and how we age. Through understanding sex differences, we can improve the way biology informs medicine."


Story Source:

The above story is based on materials provided by Society for Neuroscience. Note: Materials may be edited for content and length.


Cite This Page:

Society for Neuroscience. "Hormones impact stress, memories, understanding social cues." ScienceDaily. ScienceDaily, 11 November 2013. <www.sciencedaily.com/releases/2013/11/131111102512.htm>.
Society for Neuroscience. (2013, November 11). Hormones impact stress, memories, understanding social cues. ScienceDaily. Retrieved October 20, 2014 from www.sciencedaily.com/releases/2013/11/131111102512.htm
Society for Neuroscience. "Hormones impact stress, memories, understanding social cues." ScienceDaily. www.sciencedaily.com/releases/2013/11/131111102512.htm (accessed October 20, 2014).

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