How scared is my baby? Bacteria decide


A Mexican mother has her baby at home in Metlatonoc, in the state of Guerrero, where calls are growing to end the ancestral tradition of selling daughters to marriage – Copyright AFP Jewel SAMAD

A new study finds that bacteria are related to the way babies experience fear. In particular, it is an intestinal microbiome of a baby that provides clues for neurological development. Also, understanding what beneficial bacteria could be used to develop a probiotic that could help control and support healthy children.

The Michigan State University study has investigated the baby’s digestive system. Was this an attempt to understand why some babies react to the possibility of danger more than others?

He refers to the microbiome an ecological niche of bacteria and fungi, in addition to their genetic material and their interactions. A widely studied area is the intestinal microbiome, especially with the balance of beneficial and potentially harmful organisms. This balance can affect intelligence, development, obesity and other manifestations of later life.

New research finds that the intestinal microbiome appears to be different in infants with strong fear responses and in infants with milder reactions. Therefore, it might be possible to develop a new analytical technique to control and support healthy neurological development.

He the data were extracted from a study from baby stool samples and observational studies to a potentially frightening situation (in this case, an apparent stranger entering the room with a Halloween mask).

Research, based on 30 babies, is considered particularly important in helping to identify those who could develop chronic anxiety and depression later in life.

Although the study was pilot, there was sufficient evidence to suggest that some children with particular microbiomes at one month of age tend to be more afraid at one year of age.

It could also be that those observed infants who expressed muted fear responses could develop insensitive and insensitive traits associated with antisocial behavior. This can also become an area of ​​psychological importance.

In addition, one-year microbial community content is associated with the size of the amygdala brain region. This is the area of ​​the brain related to decision making in response to a potential threat.

The research appears in the file science journal Communications on Nature, with the study entitled “The composition of the infant intestinal microbiome is associated with non-social fear behavior in a pilot study.”

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