Part I: the effect of long-term exposure to organic solvents on memory: a cross sectional study.
This study focuses on a wide range of different aspects of memory functions trying to ascertain a possible profile of memory changes, which take place following long-term exposure to organic solvents. The research design was cross-sectional. Study population included 31 industrial painters who were exposed at work to organic solvents and 31 unexposed workers. Workers after long-term exposure to organic solvents showed significant decline in memory as indicated in all three standard memory tests (i.e. Wechsler Memory Scale - Revised, Benton Revised Visual Retention Test, and Rey Auditory Verbal Learning Test). The results of Rey Auditory Verbal Learning Test showed a negative correlation with exposure index indicating that the more intensive and longer the time of exposure was, the more impaired is the verbal memory. It was also found that the affect of age on memory was stronger among workers after long-term exposure to organic solvents compared to the unexposed workers.
The Institute for Occupational Health, Tel-Aviv University, Tel-Aviv, Israel.
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Ratzon
Psychology Department, Bar-Ilan University, Bar-Ilan, Israel.
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Vakil
The Institute for Occupational Health, Tel-Aviv University, Tel-Aviv, Israel.
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Derazne
Department of Occupational Medicine, Kupat-Holim, Central District, Rehovot, Israel.
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Sculsky
Exposure; Memory; Organic solvents