Document
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Environmental Research
type: Generically Dependent Continuant
type: Collection
type: Entity
type: Periodical
type: Thing
type: Journal
type: Continuant
type: Document
type: Information Content Entity
publication venue for: Exposure to arsenic and lead and neuropsychological development in Mexican children

Continuant
type: Class

Entity
type: Class

Generically Dependent Continuant
type: Class

Fogarty International Center, FIC: D43TW000640
type: Relationship
type: BFO_0000020
type: Entity
type: Thing
type: Grant
type: Continuant
funding vehicle for: Exposure to arsenic and lead and neuropsychological development in Mexican children

Exposure to arsenic and lead and neuropsychological development in Mexican children
type: Generically Dependent Continuant
related by: authorship 4975
page start: 69
page end: 76
related by: authorship 4973
issue: 2
has funding vehicle: Fogarty International Center, FIC: D43TW000640
date time value: article date 951
has funding vehicle: D43TW-ES00640
type: Article
related by: authorship 4970
most specific type: Article
most specific type: Document
origen: scopus
has publication venue: Environmental Research
related by: authorship 4969
e iscopus: 2-s2.0-0035113197
abstract: This cross-sectional study examined the effects of chronic exposure to lead (Pb), arsenic (AS) and undernutrition on the neuropsychological development of children. Two populations chronically exposed to either high (41 children) or low (39 children) levels of As and Pb were analyzed using the Wechsler Intelligence Scale for Children, Revised Version, for Mexico (WISC-RM). Geometric means of urinary arsenic (AsU) and lead in blood (PbB) were 62.9 ± 0.03 (μgAs/g creatinine) and 8.9 ± 0.03 (μg/dl) for the exposed group and 40.2 ± 0.03 (μgAs/g creatinine) and 9.7 ± 0.02 (μg/dl) for the reference group. The height for age index (HAI) was used as an indicator of chronic malnutrition and sociodemographic information was obtained with a questionnaire. Lead and arsenic were measured by atomic absorption spectrophotometry. Data on full, verbal, and performance intelligence quotients (IQ) scores, long-term memory, linguistic abstraction, attention span, and visuospatial organization were obtained through the WISC-RM. After controlling for significant potential confounders verbal IQ (P<0.01) decreased with increasing concentrations of AsU. The HAI correlated positively with full-scale and performance IQ (P<0.01). Higher levels of AsU were significantly related to poorer performance on WISC-RM factors examining long-term memory and linguistic abstraction, while lower scores in WISC-RM factors measuring attention were obtained at increasing values of PbB. Our results suggest that exposure to As and chronic malnutrition could have an influence on verbal abilities and long-term memory, while Pb exposure could affect the attention process even at low levels. © 2001 Academic Press.
type: Entity
pmid: 11161656
volume: 85
type: Information Content Entity
related by: authorship 4972
related by: authorship 4974
type: Document
type: Thing
related by: authorship 4971
freetext keyword: Arsenic; Attention; IQ; Lead; Malnutrition; Neuropsychological development arsenic; lead; arsenic; child health; lead; malnutrition; pollution exposure; article; atomic absorption spectrometry; attention; blood level; body height; body weight; child; chronicity; demography; depth perception; environmental exposure; female; human; intelligence quotient; intelligence test; long term exposure; long term memory; major clinical study; male; malnutrition; mental development; Mexico; priority journal; questionnaire; task performance; urine level; Mexico
estado: published
doi: 10.1006/enrs.2000.4106
type: Continuant
related by: authorship 4976
crisid: 951
chemicalscas: arsenic, 7440-38-2; lead, 7439-92-1, 13966-28-4

RDF description of Exposure to arsenic and lead and neuropsychological development in Mexican children - http://orbis.uaslp.mx/vivo/individual/scopus950
rights: termsOfUse
date: 2026-08-24T21:45:40
publisher: vivo
type: Document

D43TW-ES00640
type: Relationship
type: BFO_0000020
type: Entity
type: Thing
type: Grant
type: Continuant
funding vehicle for: Exposure to arsenic and lead and neuropsychological development in Mexican children

Article
type: Class

Information Content Entity
type: Class