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American Journal of Clinical Nutrition, Vol 67, 93-96, Copyright © 1998 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Central somatosensory conduction time in severely growth-stunted children

H Hesse, MF Rivera, I de Diaz and GJ Quirk
Department of Physiology, National Autonomous University of Honduras (UNAH), Tegucigalpa, Honduras.

To examine the effects of chronic malnutrition on central nervous system function, we used the somatosensory evoked potential to measure the central conduction time of 20 children aged 7-8 y with heights below the third percentile for their age and 20 control children in Honduras. The two groups differed significantly in socioeconomic status, achievement in Bender's neurointegrative test, and hematocrit, but not in birth weight. After median nerve stimulation, the mean central conduction time (interpeak latency between N13 and N20) for the growth-stunted group (6.19 +/- 0.52 ms) did not differ significantly from that of the control subjects (6.30 +/- 0.58 ms), suggesting appropriate myelination and fiber diameter. Somatosensory tracts may escape damage resulting from postnatal dietary deficiencies because myelination in these tracts is almost complete at birth.




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Copyright © 1998 by The American Society for Nutrition