PMID: 16625506Apr 21, 2006Paper

Evoked potentials in a population of children below 1,500 grams at birth: a description and probabilities

Revista de neurologia
R Mateos-MateosM C Arrabal-Terán

Abstract

Bioelectrical behaviour was studied in a group of low birth weight children. To evaluate whether the characteristics of the waves of the brain potentials in these children, who weighed less than 1500 g at birth and experienced anomalous circumstances and events during their perinatal period, would help reach an early diagnosis of the possible developmental disorders they might suffer later on in life. Both visual and auditory cerebral evoked potentials were recorded in a group of children born underweight and the results were compared with the findings from another group of healthy children who were born in normal physiological conditions and were apparently free of any kind of pathology. In the waves and locations that were examined, the problem group displayed latencies that were longer than those of the control group; in contrast, no statistically significant differences were found in the amplitude, regardless of the location. Low gestational age and lower weight made latencies longer, but no relationship was found between latencies and the other perinatal features that were studied. Children with low weight at birth have slower wave latencies than normal children. This slowing, which is inversely proportional to the weight ...Continue Reading

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