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The hypothesis that independently of sex, brain volume (BV) and head circumference (HC) are positively and significantly associated with intellectual quotient (IQ) was examined in a sample of 96 high school graduates of high [Wechsler Intelligence Scale for Adults—Revised (WAIS-R)>120] and low IQ (WAIS-R<100) (1:1), from high and low socioeconomic stratum (SES), and of both sexes (1:1) from...
This multifactorial study investigates the interrelationships between head circumference (HC) and intellectual quotient (IQ), learning, nutritional status and brain development in Chilean school-age children graduating from high school, of both sexes and with high and low IQ and socio-economic strata (SES). The sample consisted of 96 right-handed healthy students (mean age 18.0+/-0.9 years) born at...
The objective of this study was to assess the relative impact of undernutrition during the first year of life on brain development, intellectual quotient (IQ), and scholastic achievement (SA) of poor Chilean high-school graduates (mean age = 18.3 +/- 0.9 y). A comparative study of two groups of high-school graduates from a low socioeconomic stratum was carried out. The undernourished group (n = 16),...
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