New York: Harvard researchers said in a study that maltreatment during childhood leads to permanent changes in a seahorse-shaped area of the brain that can cause adult depression and drug abuse.
People who had been subjected to maltreatment during childhood actually had less volume in certain parts of their brains.
Big differences were seen in people who said that as children they had experienced verbal, physical or sexual abuse, physical or emotional neglect, bereavement, parental separation or parental discord. Three sub-regions of the hippocampus were between 5.8 and 6.5 per cent smaller in such volunteers, compared with those who reported no maltreatment.
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