Brief thoughts

时间:2019-03-02 11:07:01166网络整理admin

Women in mind The volume of a woman’s grey matter changes during her monthly ovulation cycle. We know a woman’s mood and emotional state vary at different times of the month (New Scientist, 29 October, p 18). Now brain imaging studies at the US National Institutes of Health show oestrogen levels correlate with size changes in brain regions important for controlling emotion. Low oestrogen coincides with a slight increase in the cingulate cortex and raised oestrogen with increases in the prefrontal cortex,