Neuropsychological effects of styrene exposure: a review of current literature.

Research on the neuropsychological effects of exposure to styrene are reviewed, including subjective complaints, laboratory exposure, short- and long-term occupational exposure, possible long-term occupational illness, neuropsychiatric implications, and animals' behavior. The findings are discussed in relation to optimal levels of exposure, drivers' safety, a sensitive neuropsychological screening battery, current controversies, and future directions for research.