Choice reaction time in workers exposed to styrene vapour.
Behavioural effects of occupational exposure to vapour from styrene-based resin were investigated in 10 female workers with a portable test of choice reaction time. Testing was carried out both at the beginning and end of the day's shift. Uptake and metabolism of styrene were assessed by monitoring post-shift urinary mandelic acid excretion rates. By using these data workers were allocated to three groups reflecting zero, low or high exposure. After exposure slowing of reaction times was found in those with the highest mandelic acid excretion rates, whereas a slight improvement or no change was found in those with low or zero exposure. Subsequent improvements in extraction and ventilation in the workroom were shown to be associated with both decreased mandelic acid excretion and absence of long reaction times in those previously most heavily exposed.[1]References
- Choice reaction time in workers exposed to styrene vapour. Mackay, C.J., Kelman, G.R. Human toxicology. (1986) [Pubmed]
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