Neurobehavioural effects of occupational exposure to lead.

Neurobehavioural effects of occupational exposure to lead. Research Abstract Details 

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Neurobehavioural effects of occupational exposure to lead. Abstract Text:

A set of neurobehavioural tests selected on the basis of information processing theory was used to study the effect of low level occupational lead exposure on 59 lead workers compared with a matched control group of the same number. Only one of the lead exposed group had a blood lead concentration above the current threshold limit value of 3.81 mumol/l at the time of testing (mean 2.36 mumol/l, range 1.19-3.92 mumol/l) and none had been detected above that level in the previous three years. Nevertheless, most neurobehavioural functions tested showed some impairment in the lead workers. Visual sensory function was affected and, perhaps as a consequence, sustained attention and psychomotor tasks were performed more slowly by the lead exposed group. Cognitive functions were also impaired, with sensory store memory, short term memory, and learning abilities all showing deficits in lead workers. Such cognitive deficits may also be partly due to initial degradation of the visual input. Long term memory performance compared equally with control levels possibly because of development of a compensatory strategy such as rehearsal by the lead exposed subjects. Multiple linear regression analysis relating to lead workers test performance and their lead exposure showed that performance on the sensory store memory test alone was significantly related to exposure. This was probably due to the homogeneity of the lead exposed group with regard to blood lead concentrations and the use of blood lead as a measure of chronic lead exposure.

Neurobehavioural effects of occupational exposure to lead. Publishing Authors By Initials

For similar psychological phenomena and processes: mental processes: perception: visual perception research abstracts see: psychological phenomena and processes: mental processes: perception: visual perception research

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Neurobehavioural effects of occupational exposure to lead. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: British journal of industrial medicine

VOLUME: 43

Page Numbers: 374-80

Journal Abbreviation: Br J Ind Med

ISSN: 0007-1072

DAY: 28

MONTH: Jun

YEAR: 1986

Neurobehavioural effects of occupational exposure to lead. Information

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LANGUAGE: eng

NlmUniqueID: 370637

Neurobehavioural effects of occupational exposure to lead. Keywords Mesh Terms:

KEYWORDS: Visual Perception

MESH TERMS: drug effects

Chemical & Substance for Abstract: Neurobehavioural effects of occupational exposure to lead. Information

Substance Name: Lead

Registry Number: 7439-92-1

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Country: ENGLAND

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MEDLINETA: Br J Ind Med

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