Here’s how childhood negligence leaves a mark for generations

Childhood experience can have a significant impact on brain development and neurobiological health. New studies show that these effects may be passed on to the next generation, with infants of mothers experiencing emotional negligence in childhood undergoing changes in brain circuits involved in fear responses and anxiety. Reported as shown. This study is published in Biological Psychiatry: Cognitive Neuroscience and Neuroimaging, published by Elsevier.

“These results show that our brain development is not only shaped by what happens in our own lives, but also by what happened to our parents before we became pregnant. It shows, “said Dr. Cassandra Hendrix, the lead author of the study. Faculty of Psychology, Emory University, Atlanta, Georgia, USA.

Dr. Hendrix and her colleagues studied 48 black mother-child pairs, starting in the first semester of pregnancy. The mother was given a questionnaire to assess childhood trauma (experience of early abuse or neglect). Mothers were also evaluated for their current prenatal stress levels, as well as anxiety and depression. At the first month of life, the baby underwent a brain scan using resting functional magnetic resonance imaging. This is a non-invasive technique that can be used while the baby is sleeping naturally.

“These amazing results leverage our ability to image the brain and its function very early in life,” said Dr. Cameron Carter, MD, Editor of Biological Psychiatry. Says.

Researchers have focused on the connection between the amygdala, which is central to the processing of terrifying emotions, and the brain between the other two brain regions (prefrontal cortex and anterior cingulate cortex). Both areas play important roles in coordinating emotions. Babies whose mothers experienced emotional neglect as a child had a stronger functional connection between the amygdala and the cortical area.

After controlling the mother’s current stress levels, researchers found that the more emotional negligence the mother experienced in her childhood, the more strongly the baby’s amygdala was associated with the frontal cortex region. Did. Physical abuse or neglect of the mother did not correlate with stronger ties. The findings suggest that emotional negligence in children affects generational effects on brain structure and function.

Dr. Hendrix said the importance of stronger ties remains unclear.

“Nerve signs observed in emotionally neglected mothers’ 1-month-old infants may be a mechanism that increases the risk of anxiety, or promotes resilience when the infant’s caregiver is scarce. It could be a compensatory mechanism to do. “

Dr. Hendrix added, “In both cases, the mother’s own emotional negligence from childhood seems to leave the baby with neurological features, which makes it easier for babies to threaten the environment from almost birth. It can be a predisposing factor to detect. We support you early in life, even for later generations. “

“The findings add evidence of intergenerational results of childhood adversity, such as mother’s negligence,” Dr. Carter added.

“Future studies that track children longitudinally will help to understand the functional importance of these changes in brain function in terms of emotional and social development of mothers’ children who have experienced early neglect. It will help. ”

This story was published from the Wire Agency Feed without changing the text. Only the heading has changed.

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