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Interesting Recent Findings

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Older readers, regardless of cognitive profile, allocate effort to organize information in sentence understanding (as measured by time for wrap-up on the x-axis), suggesting that this implicit skill is retained. For those without memory impairments (middle and right panels), increases in effort to organization result in better memory for what was read.  For those with memory impairments (left panel), however, organizational processing is less likely to improve memory, and is more inconsistent in its effects.  

(From Payne, B. R., & Stine-Morrow, E. A. L. (2015). Risk for mild cognitive impairment is associated with semantic integration deficits in sentence comprehension. Journal of Gerontology: Psychological Sciences.