Chronic stress during pregnancy prevents brain benefits of motherhood, study shows
COLUMBUS, Ohio – A new study in animals shows that chronic stress during pregnancy prevents brain benefits of motherhood, a finding that researchers suggest could increase understanding of postpartum depression.
Rat mothers showed an increase in brain cell connections in regions associated with learning, memory and mood. In contrast, the brains of mother rats that were stressed twice a day throughout pregnancy did not show this increase.
The researchers were specifically interested in dendritic spines – hair-like growths on brain cells that are used to exchange information ...