Mackenzie Ross, S.; Clark, J.; Harrison, Virginia and Abraham, K.
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To determine the nature and extent of neurobehavioural problems following apparent low-level exposure to organophosphate pesticides (OPs), a cross-sectional study was undertaken in which performance on neuropsychological tests of a self-selected sample of 25 exposed agricultural workers was compared with 22 non-exposed healthy volunteers matched for age, gender, years spent in education, and levels of intelligence. Exposed subjects performed significantly worse than controls on tests of mental flexibility and verbal memory, even after controlling for covariates. Over 70% suffered from mood disorder and all reported a range of physical symptoms. Many appeared to have a history of undiagnosed acute poisoning. Patients were referred to a range of specialists with variable knowledge of chemical injury. The issue of whether low-level exposure to OPs causes ill health will never be resolved without agreed definitions of acute versus low-level exposure, adequate assessments of exposure history, and consideration of individual vulnerability factors or synergistic effects of chemical combinations that may mediate the dose-response relationship.
|Item Type:||Journal Article|
|Copyright Holders:||2007 CCH Australia Limited|
|Academic Unit/Department:||Faculty of Arts and Social Sciences (FASS) > Psychology
Faculty of Arts and Social Sciences (FASS)
|Interdisciplinary Research Centre:||Harm and Evidence Research Collaborative (HERC)
Centre for Policing Research and Learning (CPRL)
|Depositing User:||Virginia Harrison|
|Date Deposited:||15 Feb 2012 17:25|
|Last Modified:||04 Oct 2016 11:14|
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