Does our environment affect the genes in our brains?

Is there a link between differences in IQ test performance and the activity of certain genes? Researchers from Charité — Universitätsmedizin Berlin have shown that modifications in the structure of a specific gene have a negative impact on individual test performance. This suggests that environmentally-induced epigenetic changes to our genetic material have a greater impact on intelligence than previously thought. Results from this study have been published in Translational Psychiatry. Continue reading “Does our environment affect the genes in our brains?”

Prenatal stress changes brain connectivity in-utero

The time babies spend in the womb is far from idle. The brain is changing more rapidly during this time than at any other time in development. It is an active time for the fetus to grow and explore, and of course connect to its mother. And new evidence from in-utero fetal brain scans shows, for the first time, that this connection directly affects brain development: A mother’s stress during pregnancy changes neural connectivity in the brain of her unborn child. Continue reading “Prenatal stress changes brain connectivity in-utero”

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