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Although extensively studied, the exact role of sleep in learning and memory is still not very clear. Sleep deprivation has been most frequently used to explore the effects of sleep on learning and memory, but the results from such studies are inevitably complicated by concurrent stress and distress. Furthermore, it is not clear whether there is a strict time-window between sleep and memory consolidation...
Epidemiological investigations and experimental studies indicate that chronic arsenic exposure can reduce learning and memory function. However, the underlying mechanism of this effect remains largely unknown. Emerging evidence suggests that microRNA (miRNA) play an important role in toxicant exposure and a regulatory role in cognitive function. In this study, we observed that subchronic arsenic exposure...
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