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Neurobehavioral performance in preschool children from agricultural and non-agricultural communities in Oregon and North Carolina.

Authors
Rohlman-DS; Arcury-TA; Quandt-SA; Lasarev-M; Rothlein-J; Travers-R; Tamulinas-A; Scherer-J; Early-J; Marín-A; Phillips-J; McCauley-L
Source
Neurotoxicology 2005 Aug; 26(4):589-598
NIOSHTIC No.
20038497
Abstract
Organophosphate (OP) pesticides produce acute toxic effects but little is known about low-level chronic exposures. Latino children of agricultural workers have a high risk of exposure to pesticides because of the close proximity of their homes to fields where pesticides are applied and from take-home exposure. Neurobehavioral performance of preschool children from agricultural (AG) communities was compared to performance of those from non-agricultural (Non-AG) communities in Oregon and North Carolina. Seventy-eight children aged 48-71 months completed a battery of neurobehavioral tests two times, approximately 1 month apart. Multiple regression revealed that the AG children performed poorer on measures of response speed (Finger Tapping) and latency (Match-to-Sample) compared to the Non-AG children. These results demonstrate modest differences in AG children compared to Non-AG children that are consistent with functional effects seen in adults exposed to low concentrations of OP pesticides. Just as was the case following early research on adults poisoned by pesticides, this study points to the need for additional investigations to test the hypothesis that low-concentration OP exposures affect acquisition of test performance, response speed and latency in children of agricultural workers.
Keywords
Agriculture; Children; Neurological-system; Behavior-patterns; Behavioral-testing; Author Keywords: Neurobehavioral tests; Children; Agriculture; Latino; Hispanic
Contact
Diane S. Rohlman, Center for Research on Occupational and Environmental Toxicology, Oregon Health & Science University, 3181 Sam Jackson Park Road, Portland, OR 97239, USA
CODEN
NRTXDN
Publication Date
20050801
Document Type
Journal Article
Email Address
rohlmand@ohsu.edu
Funding Type
Grant
Fiscal Year
2005
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R25-OH-007611
Issue of Publication
4
ISSN
0161-813X
Source Name
Neurotoxicology
State
NC; OR
Performing Organization
Wake Forest University
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