Preemies' Brains Reap Long-Term Benefits from Kangaroo Mother Care
Sep. 19, 2012 — Kangaroo Mother Care -- a technique in which a breastfed premature infant remains in skin-to-skin contact with the parent's chest rather than being placed in an incubator -- has lasting positive impact on brain development, revealed Université Laval researchers in the October issue of Acta Paediatrica.
Very premature infants who benefited from this technique had better brain functioning in adolescence -- comparable to that of adolescents born at term -- than did premature infants placed in incubators.
To assess participants' brain functions, the researchers used transcranial magnetic stimulation. With this non-invasive and painless technique they could activate brain cells in targeted areas, namely the primary motor cortex that controls muscles. By measuring muscle responses to the stimulation, they were able to assess brain functions such as the level of brain excitability and inhibition, cell synchronization, neural conduction speed, and coordination between the two cerebral hemispheres.
The data collected by the researchers indicate that all brain functions of the adolescent Kangaroo group were comparable to those of the term infant group. On the other hand, premature infants placed in incubators significantly deviated from the other two groups 15 years after their birth.
"Thanks to Kangaroo Mother Care, infants benefited from nervous system stimulation -- the sound of the parent's heart and the warmth of their body -- during a critical period for the development of neural connections between the cerebral hemispheres. This promoted immediate and future brain development," suggests neurophysiologist Cyril Schneider.
http://www.sciencedaily.com/releases/2012/09/120919125600.htm
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