"During their first months of life, babies may seem to be exclusively focused on eating, sleeping, crying, cooing, and passing various forms of waste products. But there is increasing evidence from ingeniously designed studies that babies are much more tuned in to the nuances of their environment than many adults think....
"The authors then performed functional MRIs on the infants during sleep, while the infants were listening to pre-recorded voices which sounded either very angry, somewhat angry, neutral, or happy. They found that infants raised in more stressful environments demonstrated higher levels of brain activation when exposed to angry voices than those infants raised in less stressful environments....
"This study fits in with other evidence, including the ACE study (http://phcprimarycare.org/?p=392), which indicates that adverse experiences during infancy and childhood can lead to a lifetime of medical, social, and psychological problems...."
http://phcprimarycare.org/?p=408
Abstract:
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