AN INVESTIGATION OF LEAD WORKERS FOR SUBCLINICAL EFFECTS OF LEAD USING THREE PERFORMANCE TESTS

Using three performance tests, lead exposed workers were studied for signs of subclinical neurological effects. The three tests were: two flash fusion threshold, a test considered to indicate the level of arousal; reaction time to a touch stimulus and the rate at which hand grip pressure is develope...

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Bibliographic Details
Published in:The Annals of occupational hygiene 1976-12, Vol.19 (3-4), p.239-249
Main Authors: MILBURN, HEATHER, MITRAN, ELENA, CROCKFORD, G. W.
Format: Article
Language:English
Subjects:
Adult
Flicker Fusion
Hand - physiopathology
Humans
Lead Poisoning - diagnosis
Male
Middle Aged
Neurologic Manifestations
Occupational Diseases - diagnosis
Reaction Time - drug effects
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Summary:Using three performance tests, lead exposed workers were studied for signs of subclinical neurological effects. The three tests were: two flash fusion threshold, a test considered to indicate the level of arousal; reaction time to a touch stimulus and the rate at which hand grip pressure is developed, both influenced by the conduction velocity of the peripheral nerves and impulse transmission across the motor end plates. Sixteen male lead workers were tested and compared with a non-exposed matched control group of fifteen. The occupational history, neurological symptoms and blood lead levels were recorded. The three performance tests revealed no differences between the exposed and the non-exposed groups.
ISSN:0003-4878
1475-3162
DOI:10.1093/annhyg/19.3-4.239