A typical feeding enhances memory for spoken words in healthy 2- to 3-day-old newborns

Pediatrics
A Grace ValianteSimon N Young

Abstract

The objective of this study was to determine whether healthy 2- to 3-day-old newborns have better memory of a spoken word after a typical feeding (breast milk or formula) than before a feeding and, if so, whether memory is related to blood glucose. A naturalistic study was conducted in which delayed recognition memory of a spoken word was examined in 60 healthy 2- to 3-day-old newborns either 120 minutes after their previous feeding (preprandial) or 30 minutes after their last feeding (postprandial). In this procedure, infants initially turn their head toward a novel word (orientation) and with repeated presentations cease turning toward it (habituation). Mean number of trials to reach orientation and habituation criteria provides measures of attention and rate of learning, respectively. After a 100-second delay, the word is presented again. Infants either turn toward it, indicating that they have forgotten it, or remain habituated, indicating that they remembered the word. Percentage of trials with head turns toward the word after the delay is the principal dependent measure. The postprandial group was split at the median for blood glucose to define high- and low-glucose groups. All 3 groups showed similar rates of orientation...Continue Reading

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Citations

Oct 17, 2012·Proceedings of the National Academy of Sciences of the United States of America·Silvia Benavides-VarelaJacques Mehler
Aug 16, 2013·Proceedings of the National Academy of Sciences of the United States of America·Marcel F NoldClaudia A Nold-Petry
Nov 17, 2011·PloS One·Silvia Benavides-VarelaJacques Mehler
Sep 2, 2014·Child Development·Silvia Benavides-Varela, Jacques Mehler
Jul 5, 2017·Proceedings of the National Academy of Sciences of the United States of America·Silvia Benavides-VarelaJacques Mehler

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